{"title":"Meters \u0026 Monitors","description":"\u003cp\u003eMeters \u0026amp; Monitors: Test your water before choosing treatment, and check that the system is still doing its job.\u003c\/p\u003e\u003cp\u003eThis collection has 13 products from brands including Hach, Nelsen Corporation, Hm Digital and HM DIGITAL, INC., priced from $53.83 to $6,866. Shipping is free anywhere in the USA.\u003c\/p\u003e\u003cp\u003eNot sure which one fits your system? Call us at 813-897-9971 or email watersoftenerplus@gmail.com with your model or a photo of the label, and we will match the right part.\u003c\/p\u003e","products":[{"product_id":"psc-60d-tds-controller-dual-display-psc-60d","title":"Dual display TDS controller for water quality monitoring — PSC-60D, TDS Controller, Dual Display, PSC-60D","description":"\u003cp\u003e\u003cstrong\u003eReliable Commercial TDS Controller with Dual Display for Precise Water Quality Monitoring\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eExperience superior control over your water treatment process with the PSC-60D TDS Controller, designed specifically for commercial RO options. Unlike standard controllers, the PSC-60D offers dual display functionality for real-time, accurate monitoring of total dissolved solids, ensuring your system runs efficiently and safely. This advanced controller delivers consistent water quality management, reducing downtime and protecting your investment.\u003c\/p\u003e\n\n\u003ch2\u003eKey Benefits\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eEnsures precise monitoring of water quality through dual TDS displays for input and output water.\u003c\/li\u003e\n  \u003cli\u003eProtects your reverse osmosis system by automatically controlling flushing based on TDS levels.\u003c\/li\u003e\n  \u003cli\u003eImproves system efficiency by preventing excessive wear from poor water quality.\u003c\/li\u003e\n  \u003cli\u003eEnhances operational safety with clear, easy-to-read digital displays and alerts.\u003c\/li\u003e\n  \u003cli\u003eReduces maintenance needs by automating water quality management tasks.\u003c\/li\u003e\n  \u003cli\u003eSupports commercial water treatment setups with robust construction and reliable performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow It Works\u003c\/h2\u003e\n\u003cp\u003eThe PSC-60D TDS Controller continuously measures the total dissolved solids in your water treatment system’s feed and product water using two dedicated sensors. This dual display system allows operators to monitor both input and output water quality simultaneously, providing instant feedback on the RO membrane’s performance.\u003c\/p\u003e\n\u003cp\u003eWhen the TDS levels reach preset thresholds, the controller triggers automatic flushing cycles or system alerts to prevent scaling and fouling, thus maintaining optimal operation. This creates a smart feedback loop that keeps your commercial RO system running smoothly and efficiently.\u003c\/p\u003e\n\n\u003ch2\u003eWhat to Expect\u003c\/h2\u003e\n\u003cp\u003eImmediately after installation, you’ll notice clear digital readouts reflecting your water quality in real time, enabling quick adjustments if necessary. Within the first few days, the PSC-60D will help optimize your RO system’s flushing schedule, reducing unnecessary water waste and prolonging membrane life.\u003c\/p\u003e\n\u003cp\u003eOver the longer term, expect improved system reliability and reduced maintenance frequency as the controller helps prevent common water quality issues. The durable design ensures it will continue performing accurately under commercial water treatment demands.\u003c\/p\u003e\n\n\u003ch2\u003eWhat’s Inside\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eDual TDS Sensors – Provide accurate measurement of water quality on both feed and product sides.\u003c\/li\u003e\n  \u003cli\u003eDigital Dual Display Unit – Offers real-time data visualization for immediate monitoring.\u003c\/li\u003e\n  \u003cli\u003eAutomatic Control Relay – Enables seamless activation of flushing or alert systems based on TDS readings.\u003c\/li\u003e\n  \u003cli\u003eProtective Housing – Built to withstand commercial water treatment environments, ensuring durability.\u003c\/li\u003e\n  \u003cli\u003eCalibration Interface – Allows easy sensor calibration for maintaining measurement accuracy over time.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003col\u003e\n  \u003cli\u003eInstall the PSC-60D controller in your commercial RO system according to manufacturer guidelines, ensuring sensors are properly positioned in feed and product water lines.\u003c\/li\u003e\n  \u003cli\u003ePower on the unit and calibrate the sensors using the built-in interface to match your specific water quality parameters.\u003c\/li\u003e\n  \u003cli\u003eSet your desired TDS thresholds on the controller to define when flushing or alerts should activate.\u003c\/li\u003e\n  \u003cli\u003eRegularly monitor the dual display to observe live water quality data and adjust system settings as needed.\u003c\/li\u003e\n  \u003cli\u003ePerform routine maintenance checks on sensors and housing to maintain accuracy and durability.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eWhy Choose This Product\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eEngineered with commercial-grade components to ensure long-lasting durability under demanding conditions.\u003c\/li\u003e\n  \u003cli\u003eBacked by Water Softener Plus, a trusted brand known for reliable water treatment solutions.\u003c\/li\u003e\n  \u003cli\u003eDesigned specifically for integration with commercial RO options, making it a perfect fit for professional water systems.\u003c\/li\u003e\n  \u003cli\u003eOffers advanced dual-display technology for enhanced control and monitoring capabilities.\u003c\/li\u003e\n  \u003cli\u003eStreamlines maintenance and operational efficiency, reducing overall system costs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFAQ \u0026amp; Safety\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eIs the PSC-60D compatible with all commercial RO systems?\u003c\/strong\u003e\u003cbr\u003eIt is designed to integrate seamlessly with most commercial reverse osmosis setups; however, verify sensor placement and connection compatibility before installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow often should the sensors be calibrated?\u003c\/strong\u003e\u003cbr\u003eCalibration is recommended every 3 to 6 months depending on water conditions to maintain accurate readings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the controller handle varying water pressures?\u003c\/strong\u003e\u003cbr\u003eYes, the PSC-60D is built to operate reliably under typical commercial water pressure ranges.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat maintenance is required?\u003c\/strong\u003e\u003cbr\u003eRegular cleaning of sensors and inspection of wiring is advised to ensure optimal performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs there an alert system for abnormal TDS levels?\u003c\/strong\u003e\u003cbr\u003eYes, the controller can trigger alarms or activate flushing cycles based on preset TDS thresholds.\u003c\/p\u003e\n\n\u003cp\u003eUpgrade your system reliability today—add the PSC-60D TDS Controller to your cart and keep your commercial water treatment running clean, efficient, and consistent.\u003c\/p\u003e","brand":"HM DIGITAL, INC.","offers":[{"title":"Default Title","offer_id":44819818217525,"sku":"780851339470","price":232.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/4950\/2261\/files\/psc-60d-r1200.jpg?v=1789607837"},{"product_id":"nro-opt-fs-tds-1-2","title":"Nelsen NRO-OPT-FS-TDS-1-2 Commercial RO Option","description":"\u003cp\u003eKnowing exactly how well a reverse osmosis system is performing requires real-time water quality data, and this panel-mounted dual TDS monitor option for NRO commercial RO systems puts that information right in front of the operator. Built around the HM Digital PSC-60D, this extended-range EC\/TDS monitor continuously watches two water lines at once, displaying feed and product water side by side so technicians can verify membrane performance at a glance.\u003c\/p\u003e\n\u003ch3\u003eDual-Line Monitoring for the Professional\u003c\/h3\u003e\n\u003cp\u003eThe PSC-60D is designed for the industrial water treatment professional who needs more than a single reading. Its dual-line display shows both feed and product water simultaneously, making it easy to confirm that the membranes are rejecting dissolved solids as expected. The unit features digital calibration for accuracy, two stainless steel electrodes for durable sensing, and a 120 volt power source that can be supplied separately or through the chip controller, giving installers flexibility in how the monitor is wired into the system.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePanel-mounted HM Digital PSC-60D dual EC\/TDS monitor\u003c\/li\u003e\n\u003cli\u003eMonitors two lines simultaneously: feed and product water\u003c\/li\u003e\n\u003cli\u003eTDS range 0 to 9999 ppm; EC range 0 to 9999 microsiemens\u003c\/li\u003e\n\u003cli\u003eTemperature range 0 to 75 C \/ 33 to 167 F\u003c\/li\u003e\n\u003cli\u003eDigital calibration with two stainless steel electrodes\u003c\/li\u003e\n\u003cli\u003e120 volt power, supplied separately or via the chip controller\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eTotal dissolved solids monitoring is the most direct way to gauge RO membrane health and water quality. By comparing the feed TDS against the product TDS, an operator can calculate rejection rate and quickly spot a declining membrane, a fouling problem, or a developing leak before it affects downstream processes. Continuous monitoring removes the guesswork of periodic handheld checks, giving facilities ongoing assurance that their purified water meets the quality their applications demand.\u003c\/p\u003e\n\u003cp\u003eAs a factory option for NRO commercial RO systems, this monitor is intended to integrate cleanly with the unit's controls and panel layout, sized for membranes in the 4 inch class. Installation should follow the manufacturer's wiring and mounting guidance, and the electrodes should be calibrated per the documentation for accurate readings. With the PSC-60D in place, operators gain immediate, reliable visibility into both feed and product water quality, turning their commercial RO system into a transparent, easily monitored process that supports proactive maintenance and consistent purified water output throughout its service life every day.\u003c\/p\u003e","brand":"Nelsen Corporation","offers":[{"title":"Default Title","offer_id":45668836966453,"sku":"NRO-OPT-FS-TDS-1-2","price":352.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/4950\/2261\/files\/psc-60d_aab215ad-7572-4223-b56e-7ca8d9088dda-r1200.jpg?v=1789607846"},{"product_id":"nro-simplx-single-4x40-220v-w-ch-tds","title":"NRO SIMPLX Single 4x40 220v w\/ Ch, TDS","description":"\u003cp\u003eCombining compact design with built-in water quality monitoring, the Nelsen NRO SIMPLX Single 4x40 RO system on 220 volt power adds a chip controller and a TDS monitor for light commercial users who want insight into their purified water. Built on the SIMPLX series with a single 4 inch by 40 inch membrane, this unit produces approximately 2,500 gallons per day in a streamlined, freestanding package.\u003c\/p\u003e\n\u003ch3\u003eMonitored Performance in a Compact Unit\u003c\/h3\u003e\n\u003cp\u003eThis SIMPLX configuration pairs reliable single-membrane RO with a chip controller for managed operation and a TDS monitor that lets operators see product water quality directly. Total dissolved solids readings are the most practical way to confirm a membrane is rejecting contaminants as expected, so having a built-in monitor turns routine performance checks into a simple glance at the display. Running on 220 volt power, the system suits facilities equipped for that supply and benefits from the steady operation a chip controller provides.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNRO SIMPLX series single 4 inch by 40 inch membrane RO\u003c\/li\u003e\n\u003cli\u003eApproximately 2,500 gallons per day of purified water\u003c\/li\u003e\n\u003cli\u003e220 volt operation with an integrated chip controller\u003c\/li\u003e\n\u003cli\u003eBuilt-in TDS monitor for product water quality readings\u003c\/li\u003e\n\u003cli\u003eCompact SIMPLX design, about 100 pounds complete\u003c\/li\u003e\n\u003cli\u003eWell suited to light commercial purified water applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCafes and small restaurants, offices, clinics, laboratories, and similar light commercial settings are ideal homes for this system, where consistent low-TDS water matters and operators value knowing their water quality at a glance. Reverse osmosis drives pressurized feed water across a semipermeable membrane, producing purified permeate while sending rejected dissolved solids to drain. The chip controller manages the process for steady operation, while the TDS monitor provides ongoing feedback that helps catch a declining membrane before it affects downstream results.\u003c\/p\u003e\n\u003cp\u003eAs with any membrane system, performance depends on solid pretreatment, including sediment filtration and dechlorination to protect the thin-film membrane, plus feed water within recommended hardness, temperature, and pressure ranges. A water analysis before installation guides pretreatment and sets realistic output expectations. With routine prefilter maintenance and the TDS monitor making membrane health easy to track, the Nelsen NRO SIMPLX single 4x40 with chip controller and TDS monitoring gives light commercial operators a compact, transparent, and dependable purified water system that combines space-saving design with the quality visibility professionals appreciate in everyday service.\u003c\/p\u003e\u003c!--rel-sys-v1--\u003e\u003cdiv class=\"related-systems\"\u003e\n\u003ch3\u003eRelated Systems \u0026amp; Configurations\u003c\/h3\u003e\n\u003cp\u003eComparing options? These related commercial water-treatment systems are frequently viewed alongside this one:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/15000-gpd-ro-6-4x40-mmbrn-cntrl-af-ppg\"\u003e15000 GPD RO, 6 4x40 Mmbrn Cntrl AF PPG\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/15000-gpd-comm-ro\"\u003e15000 GPD Comm RO\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/12500-gpd-comm-ro\"\u003e12500 GPD Comm RO\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/1800gpd-comm-ro\"\u003eNelsen Corporation 1800GPD Commercial RO System\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Nelsen Corporation","offers":[{"title":"Default Title","offer_id":45668837359669,"sku":"NRO-S-1440F-2500-2-CTX","price":6865.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/4950\/2261\/files\/nro-s-1440f-2500-2-ctx-1-r1200.jpg?v=1789606498"},{"product_id":"hach-viewing-tube-5ml","title":"Hach Viewing Tube, 5ml","description":"\u003cp\u003eAccurate water analysis depends on clean, properly sized glassware, and this Hach viewing tube is a genuine 5 mL replacement made for exactly that purpose. Used across a wide range of colorimetric and visual comparison test procedures, the tube holds a precise sample volume so that reagent reactions develop and read consistently from one test to the next. In water testing, even small inconsistencies in sample volume can shift a reading, so using the correct tube is fundamental to producing reliable, repeatable results.\u003c\/p\u003e\u003cp\u003eWhether you are matching color against a comparator, reading a developed sample after a reagent has been added, or following one of the many step-by-step Hach test methods, the right viewing tube is an essential part of the process. Over time and through regular use, tubes inevitably get scratched, etched, stained, or broken, and any of these conditions can interfere with an accurate reading. Swapping in a fresh tube restores clarity and keeps your measurements trustworthy. Because this is a genuine Hach component, it fits the kits and methods it was designed for without any guesswork about sizing or compatibility.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e5 mL sample capacity for compatible Hach test procedures\u003c\/li\u003e\n\u003cli\u003eClear, undistorted viewing surface for accurate color and clarity readings\u003c\/li\u003e\n\u003cli\u003eDirect replacement to restore a depleted or damaged test kit\u003c\/li\u003e\n\u003cli\u003eCarries the trusted Hach brand for reliable method compatibility\u003c\/li\u003e\n\u003cli\u003eCompact and light at about 0.03 lbs, easy to keep as a spare\u003c\/li\u003e\n\u003cli\u003eSuitable for field kits and lab benches alike\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor water treatment operators, well owners, and laboratory technicians, keeping a few spare viewing tubes on hand is simply good practice. A cracked or fogged tube discovered mid-test can bring testing to a halt, and having replacements ready prevents that downtime. It may be a small and inexpensive component, but the viewing tube plays an outsized role in maintaining the accuracy of any water quality testing program, from routine hardness and chlorine checks to pH, iron, and other analyses that homeowners and professionals rely on to make treatment decisions. To get the longest life and the clearest readings from each tube, rinse it thoroughly with sample water before use, avoid abrasive cleaning that can scratch the optical surface, and inspect it in good light for any cloudiness or hairline cracks before trusting a reading taken through it.\u003c\/p\u003e","brand":"Hach","offers":[{"title":"Default Title","offer_id":45668852006965,"sku":"TK1730-06","price":70.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/4950\/2261\/files\/hach-viewing-tube-5ml-hires-r1200.jpg?v=1789603923"},{"product_id":"hach-phenol-red-sol-4oz","title":"Hach Phenol Red Sol, 4oz","description":"\u003cp\u003ePhenol Red is one of the most widely used pH indicators in water testing, and this Hach Phenol Red Solution comes in a convenient 4 oz bottle sized for ongoing, regular use. As the indicator reacts with a water sample, it shifts color across the range that is most relevant to drinking water and pool chemistry, giving operators a fast, clear visual read on whether the water is trending acidic or alkaline. That immediate feedback makes it a valued tool for routine monitoring and for troubleshooting water that just does not seem right.\u003c\/p\u003e\u003cp\u003eReliable pH measurement matters throughout the world of water treatment, far more than many homeowners realize. The pH of water affects the effectiveness of chlorine and other disinfectants, influences the solubility of metals such as iron and copper, impacts the performance and longevity of softeners and filters, and ultimately affects the taste, safety, and comfort of the water people use every day. Water that is too acidic can corrode plumbing and fixtures and leach metals, while water that is too alkaline can contribute to scaling and reduced disinfection efficiency. Using a quality, brand-matched reagent helps ensure that the pH readings driving these decisions are dependable.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePhenol Red indicator solution for pH determination in water\u003c\/li\u003e\n\u003cli\u003ePractical 4 oz bottle suited to repeated, ongoing testing\u003c\/li\u003e\n\u003cli\u003eColor change keyed to the common drinking-water and pool pH range\u003c\/li\u003e\n\u003cli\u003eGenuine Hach reagent for proper method compatibility\u003c\/li\u003e\n\u003cli\u003eNet weight approximately 0.29 lbs\u003c\/li\u003e\n\u003cli\u003eUseful for both routine monitoring and troubleshooting\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis solution is well suited to technicians, well owners, and facility operators who routinely verify pH as part of a broader water quality program. As with all testing reagents, store the bottle according to the label guidance, keep an eye on expiration dating since reagent chemistry can degrade over time, and follow the test method instructions closely for the most accurate results. Keeping a fresh bottle of Phenol Red in your testing kit means you are always ready to confirm pH on demand, whether you are checking a customer's water in the field or monitoring a system at home. Pairing pH results with hardness and iron data gives a fuller picture of a supply, since pH so often explains why a particular contaminant is staining fixtures or why a treatment system is behaving unexpectedly, making this reagent a valuable part of a complete diagnostic toolkit.\u003c\/p\u003e","brand":"Hach","offers":[{"title":"Default Title","offer_id":45668852105269,"sku":"TK211","price":111.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/4950\/2261\/files\/hach-phenol-red-sol-4oz-hires-r1200.jpg?v=1789603896"},{"product_id":"hach-droppers-pack-of-6","title":"Hach Droppers (Pack of 6)","description":"\u003cp\u003eThis Hach dropper set, supplied as a convenient pack of six, keeps water-testing benches and portable field kits stocked with dependable dispensing tools. Droppers are the unsung workhorses of manual water analysis, delivering reagents one carefully controlled drop at a time so that titrations and color-development tests follow their methods precisely. Buying them in a multipack means you always have a clean, ready spare on hand the moment one wears out, becomes contaminated, or simply needs rotation out of service.\u003c\/p\u003e\u003cp\u003eConsistent drop size is absolutely critical to accurate results in many water test procedures, and this is especially true for drop-count titrations used to measure parameters such as hardness and alkalinity. In those tests, the result is calculated from the number of drops required to reach a color change, so a dropper that delivers inconsistent or oversized drops will skew the final number. Worn, cracked, or residue-fouled droppers are a frequent and easily overlooked source of error, which is why periodic replacement is good practice for anyone who takes their water quality data seriously and wants results they can stand behind.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConvenient six-pack to cover ongoing and high-volume testing needs\u003c\/li\u003e\n\u003cli\u003eDesigned for accurate, repeatable drop-by-drop reagent dispensing\u003c\/li\u003e\n\u003cli\u003eIdeal spares for both lab benches and portable field test kits\u003c\/li\u003e\n\u003cli\u003eGenuine Hach component for trusted method compatibility\u003c\/li\u003e\n\u003cli\u003eHelps maintain consistency across drop-count titration procedures\u003c\/li\u003e\n\u003cli\u003eEasy to keep on hand to avoid mid-test interruptions\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWater treatment operators, well owners, and service technicians rely on quality Hach tools to keep their testing programs accurate and consistent over time. Keeping fresh droppers within easy reach prevents the frustration of an interrupted test when an old dropper finally gives out, and it protects the integrity of every measurement you take. For best results, rinse and store droppers properly between uses to prevent cross-contamination, inspect them periodically for cracks or buildup, and rotate in new ones from this pack as needed to maintain clean, contamination-free sampling throughout your testing routine. Dedicating a specific dropper to a specific reagent is another good habit that prevents carryover between chemistries, and with six in the pack there are plenty to keep separate droppers assigned to your most frequently used solutions while still holding spares in reserve.\u003c\/p\u003e","brand":"Hach","offers":[{"title":"Default Title","offer_id":45668852236341,"sku":"TK23185","price":115.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/4950\/2261\/files\/hach-droppers-pack-of-6-hires-r1200.jpg?v=1789603849"},{"product_id":"hach-bromthymol-blue-indicator-sol-4-oz","title":"Hach Bromthymol Blue Indicator Sol, 4 Oz","description":"\u003cp\u003eBromthymol Blue is a versatile pH indicator widely used in water analysis to track changes across the near-neutral range, and this Hach Bromthymol Blue Indicator Solution arrives in a practical 4 oz bottle suited to ongoing testing. As the reagent interacts with a water sample, its distinct color transition signals shifts between mildly acidic and mildly alkaline conditions, supporting a range of standard test procedures where a clear, easy-to-read endpoint matters.\u003c\/p\u003e\u003cp\u003eDependable indicator solutions are the backbone of accurate manual water testing, and Bromthymol Blue has earned its place as a trusted reagent for work in that sensitive neutral zone. Whether you are determining pH, confirming a titration endpoint, or running one of the specific Hach methods that call for this indicator, using a fresh and genuine reagent helps ensure that color development is crisp and that your results are clear and repeatable from one test to the next. Reagent quality has a direct influence on the confidence you can place in a reading, which is why professionals favor authentic, brand-matched solutions over generic substitutes.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBromthymol Blue indicator solution for pH-related testing\u003c\/li\u003e\n\u003cli\u003eConvenient 4 oz bottle sized for repeated use\u003c\/li\u003e\n\u003cli\u003eColor change tuned to the near-neutral pH range\u003c\/li\u003e\n\u003cli\u003eAuthentic Hach reagent for reliable method compatibility\u003c\/li\u003e\n\u003cli\u003eNet weight approximately 0.25 lbs\u003c\/li\u003e\n\u003cli\u003eWell suited to lab benches and routine testing programs\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis solution suits water treatment operators, laboratory technicians, and well owners who maintain a regular and disciplined testing routine. As with all reagents, store the bottle according to the directions on the label, keep a careful watch on expiration dating since indicator chemistry can degrade over time and produce off-color or weak reactions, and follow your specific test method's instructions for the most accurate outcome. Keeping a fresh bottle of Bromthymol Blue in your testing kit means you are always ready to assess water chemistry the moment the need arises, whether in the field or at the bench. Because the indicator is most sensitive right around the neutral point, it is particularly valuable when you need to distinguish water that is slightly acidic from water that is slightly alkaline, a distinction that often determines whether neutralizing treatment is warranted and how aggressively it needs to be applied to protect plumbing and equipment.\u003c\/p\u003e\u003c!--rel-sys-v1--\u003e\u003cdiv class=\"related-systems\"\u003e\n\u003ch3\u003eRelated Systems \u0026amp; Configurations\u003c\/h3\u003e\n\u003cp\u003eComparing options? These related commercial water-treatment systems are frequently viewed alongside this one:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/deluxe-demonstration-kit\"\u003ePro Products Deluxe Demonstration Kit Instrument\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/standard-demonstration-kit\"\u003ePro Products Standard Demonstration Kit Water Treatment Part\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hach-test-kit-hardness-iron-and-ph\"\u003eHach Test Kit Hardness, Iron and pH\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hach-hydrogen-peroxide-test-kit\"\u003eHach Hydrogen Peroxide Test Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hach","offers":[{"title":"Default Title","offer_id":45668852400181,"sku":"TK255","price":110.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/4950\/2261\/files\/hach-bromthymol-blue-indicator-sol-4-oz-hires-r1200.jpg?v=1789603831"},{"product_id":"hach-hardness-1-4-oz","title":"Hach Hardness 1, 4 Oz","description":"\u003cp\u003eHardness 1 is part of Hach's established reagent lineup used in the determination of water hardness, and this 4 oz bottle keeps your testing routine well supplied for the long term. Water hardness, caused primarily by dissolved calcium and magnesium, is one of the single most important parameters in residential and commercial water treatment, because it drives scale formation, reduces soap and detergent efficiency, and directly determines how softening equipment must be sized and configured.\u003c\/p\u003e\u003cp\u003eUsed as directed within its companion Hach method, this solution helps prepare a water sample so that hardness can be measured accurately and consistently. Reliable hardness numbers are what allow an installer to size a water softener correctly for a given home, set appropriate regeneration cycles so the resin is recharged efficiently without wasting salt, and verify after startup that a newly installed system is actually removing hardness as intended. Without accurate hardness data, sizing becomes guesswork, and a softener that is undersized or poorly programmed will disappoint the customer and waste resources.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHardness 1 reagent solution supplied in a 4 oz bottle\u003c\/li\u003e\n\u003cli\u003eSupports accurate determination of water hardness\u003c\/li\u003e\n\u003cli\u003eEssential for properly sizing and verifying water softeners\u003c\/li\u003e\n\u003cli\u003eGenuine Hach reagent for trusted method compatibility\u003c\/li\u003e\n\u003cli\u003eNet weight approximately 0.30 lbs\u003c\/li\u003e\n\u003cli\u003eBest used together with its companion hardness reagents\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis reagent is intended for use alongside the other solutions in its hardness method, so it is wise to keep the complete set on hand to ensure you can always run a full, valid test. Water treatment professionals, well owners, and facility operators all depend on accurate hardness measurements to diagnose scale problems in pipes and water heaters and to confirm that treatment equipment is performing as it should. Store the bottle per the label instructions, respect the expiration dating so degraded reagent does not compromise your results, and follow the method steps closely for consistent, dependable readings every time. Establishing a baseline hardness number before any equipment is installed, and then retesting after startup and periodically thereafter, gives a clear, documented record that the softener is keeping pace with the home's demand and that the resin has not become exhausted or fouled over time. Accurate hardness data also helps determine the right salt dose and regeneration frequency, balancing thorough resin recharge against efficient use of salt and water, so the system delivers consistently soft water without unnecessary operating expense.\u003c\/p\u003e","brand":"Hach","offers":[{"title":"Default Title","offer_id":45668852498485,"sku":"TK424","price":109.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/4950\/2261\/files\/hach-hardness-1-4-oz-hires-r1200.jpg?v=1789603859"},{"product_id":"hach-hardness-2-4-oz","title":"Hach Hardness 2, 4 Oz","description":"\u003cp\u003eThis Hach Hardness 2 solution, packaged in a practical 4 oz bottle, is one of the working reagents in Hach's water hardness testing method. Water hardness, the measure of dissolved calcium and magnesium in a supply, sits right at the center of nearly every softening decision a professional makes, and precise hardness readings are exactly what make proper equipment sizing, programming, and performance verification possible in the first place.\u003c\/p\u003e\u003cp\u003eWhen used in the correct sequence with its companion reagents, this solution helps develop the sample so that a clear, readable endpoint can be reached during the test. For installers and operators, that clarity translates directly into confidence on the job: confidence that a softener has been sized to match the home's actual hardness load, confidence that the regeneration settings are appropriate for the water being treated, and confidence that, once the system is installed and running, it is genuinely delivering the soft water it was specified to provide. That kind of verification protects both the customer's satisfaction and the installer's reputation.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHardness 2 reagent supplied in a convenient 4 oz bottle\u003c\/li\u003e\n\u003cli\u003eWorks within Hach's established hardness determination method\u003c\/li\u003e\n\u003cli\u003eHelps produce a clear, repeatable test endpoint\u003c\/li\u003e\n\u003cli\u003eAuthentic Hach reagent for proper method performance\u003c\/li\u003e\n\u003cli\u003eNet weight approximately 0.29 lbs\u003c\/li\u003e\n\u003cli\u003eDesigned to be used with its companion hardness reagents\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBecause hardness test methods rely on several reagents working together in a specific order, it is best to keep the complete set fully stocked so you are never caught short in the middle of a test. Hard water that goes unmeasured leads to scale buildup in pipes and water heaters, spotty dishes and glassware, dingy laundry, and excess soap and detergent use, so a routine of regular hardness testing genuinely pays for itself. Follow the method instructions carefully, observe the expiration dates on your reagents, and store the bottle as the label directs to keep your results accurate and reliable over time. Many service professionals build hardness testing into every maintenance visit precisely because it provides immediate, objective proof of softener performance that a customer can see and understand, turning an abstract claim about water quality into a concrete number that builds trust and justifies the value of the equipment.\u003c\/p\u003e\u003c!--rel-sys-v1--\u003e\u003cdiv class=\"related-systems\"\u003e\n\u003ch3\u003eRelated Systems \u0026amp; Configurations\u003c\/h3\u003e\n\u003cp\u003eComparing options? These related commercial water-treatment systems are frequently viewed alongside this one:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/deluxe-demonstration-kit\"\u003ePro Products Deluxe Demonstration Kit Instrument\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/standard-demonstration-kit\"\u003ePro Products Standard Demonstration Kit Water Treatment Part\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hach-test-kit-hardness-iron-and-ph\"\u003eHach Test Kit Hardness, Iron and pH\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hach-hydrogen-peroxide-test-kit\"\u003eHach Hydrogen Peroxide Test Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Hach","offers":[{"title":"Default Title","offer_id":45668852564021,"sku":"TK425","price":123.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/4950\/2261\/files\/hach-hardness-2-4-oz-hires-r1200.jpg?v=1789603868"},{"product_id":"hach-hardness-3-4-oz","title":"Hach Hardness 3, 4 Oz","description":"\u003cp\u003eHach Hardness 3 rounds out the reagent set used for measuring water hardness, and this 4 oz bottle keeps your testing program ready to run a complete, valid test whenever it is needed. In Hach's hardness method, each numbered solution plays a distinct role in preparing and developing the water sample so that the final reading accurately reflects the true calcium and magnesium content of the supply being analyzed.\u003c\/p\u003e\u003cp\u003eAccurate hardness data underpins nearly every softening decision a water treatment professional makes. It tells an installer how to size a softener for the home in question, how to program regeneration so the resin recharges efficiently without wasting salt or water, and whether a system is performing correctly after startup. Hardness readings taken before and after a softener also serve as proof to the customer that the equipment is doing its job. Using genuine, in-date reagents like this Hardness 3 solution is the surest way to keep those critical numbers reliable, test after test, season after season.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHardness 3 reagent in a convenient 4 oz bottle\u003c\/li\u003e\n\u003cli\u003eCompletes Hach's multi-reagent hardness testing method\u003c\/li\u003e\n\u003cli\u003eHelps deliver a sharp, dependable test endpoint\u003c\/li\u003e\n\u003cli\u003eGenuine Hach reagent for full method compatibility\u003c\/li\u003e\n\u003cli\u003eNet weight approximately 0.29 lbs\u003c\/li\u003e\n\u003cli\u003eBest kept stocked alongside Hardness 1 and Hardness 2\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSince the method depends on its reagents working together in sequence, it is good practice to keep Hardness 1, 2, and 3 all stocked so you are never short of a component in the middle of a job. Water treatment dealers, system operators, and well owners count on consistent, accurate hardness readings to diagnose scaling problems and to confirm that softeners are doing exactly what they were installed to do. Store the bottle according to the label, mind the expiration dating so that aged reagent does not throw off your endpoint, and follow the test procedure carefully for trustworthy, repeatable results every time. Treating hardness measurement as a routine part of system commissioning and ongoing service, rather than a one-time check, is what allows a professional to catch a developing problem early, whether it is a resin bed nearing exhaustion or a programming setting that no longer matches the household's actual water use.\u003c\/p\u003e","brand":"Hach","offers":[{"title":"Default Title","offer_id":45668852629557,"sku":"TK426","price":86.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/4950\/2261\/files\/hach-hardness-3-4-oz-hires-r1200.jpg?v=1789603877"},{"product_id":"hach-univer-3-hardness-pillows-100","title":"Hach Univer 3 Hardness Pillows, 100","description":"\u003cp\u003eThese Hach UniVer 3 Hardness Powder Pillows come 100 to a box, giving you a generous and economical supply of single-use reagent for water hardness testing. Each pillow is pre-portioned for exactly one test, so dosing stays perfectly consistent and setup is quick and clean, whether you are working at a laboratory bench running batch after batch or out in the field checking a prospective customer's water at the kitchen sink.\u003c\/p\u003e\u003cp\u003eHardness, the measure of dissolved calcium and magnesium in a water supply, is the single parameter that drives most softening decisions in residential and commercial water treatment. Reliable hardness readings allow installers to size softeners correctly for the application, dial in regeneration so the resin recharges efficiently without wasting salt, and confirm performance after a system has been installed and brought online. Using genuine, pre-measured powder pillows takes a major source of variability out of the testing process and keeps results consistent and repeatable, which is exactly what professionals need when their recommendations and reputation are on the line.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBox of 100 single-use UniVer 3 hardness powder pillows\u003c\/li\u003e\n\u003cli\u003ePre-measured dosing for fast, clean, and consistent testing\u003c\/li\u003e\n\u003cli\u003eSupports accurate water hardness determination\u003c\/li\u003e\n\u003cli\u003eAuthentic Hach reagent for trusted method compatibility\u003c\/li\u003e\n\u003cli\u003eIdeal economical bulk supply for frequent testing routines\u003c\/li\u003e\n\u003cli\u003eNo liquid reagent to measure or spill in the field\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe powder pillow format is especially handy for service technicians who test water on site, since there is no liquid reagent bottle to carry, measure, or risk spilling in a customer's home. Water treatment dealers, system operators, and well owners all depend on accurate hardness numbers to diagnose scale issues and to validate that a softener is performing as promised. For the most accurate results, store the pillows in a cool, dry place away from humidity, watch the expiration dating on the box, and follow the Hach method instructions closely each time you run a test. Buying hardness pillows by the hundred is particularly economical for dealers and service companies that test water on every call, since the per-test cost drops while the convenience of pre-measured dosing keeps results consistent across many technicians and many jobs, ensuring everyone in the operation is reporting hardness the same reliable way.\u003c\/p\u003e","brand":"Hach","offers":[{"title":"Default Title","offer_id":45668852727861,"sku":"TK962-99","price":125.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/4950\/2261\/files\/hach-univer-3-hardness-pillows-100-hires-r1200.jpg?v=1789603914"},{"product_id":"heemang-pocket-tds-mtr-1-9990-ppm-range","title":"Heemang Pocket Tds Mtr 1-9990 Ppm Range","description":"\u003cp\u003eThe HM Digital Heemang Pocket TDS Meter is a compact, factory-calibrated tester that puts accurate water-quality measurement in the palm of your hand. Measuring Total Dissolved Solids across a wide 0 to 9990 ppm range, it is an essential tool for anyone monitoring filtration performance, reverse osmosis output, or general water purity at home or on the job.\u003c\/p\u003e\n\u003ch3\u003eAccurate, Convenient Testing\u003c\/h3\u003e\n\u003cp\u003eTDS readings reveal the concentration of dissolved minerals, salts, and other solids in water, making this meter ideal for verifying that an RO system or filter is doing its job. By measuring TDS before and after a system, you can quantify exactly how much the equipment is removing and recognize when a membrane or cartridge needs replacing. The unit ships factory-calibrated with a 342 ppm NaCl solution and can be re-calibrated in the field with a mini-screwdriver. Built-in Automatic Temperature Compensation keeps readings accurate from 1 to 50 degrees Celsius (33 to 122 degrees Fahrenheit) so temperature swings do not skew your results.\u003c\/p\u003e\n\u003cp\u003eThoughtful features make day-to-day use effortless. A hold function freezes a measurement with a single beep for easy reading and recording, while an auto-off function conserves battery after 10 minutes of inactivity. Resolution is 1 ppm from 0 to 999 ppm and 10 ppm above that, indicated by an x10 icon on the display, so the meter remains precise across its entire range.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWide TDS range of 0 to 9990 ppm (mg\/L)\u003c\/li\u003e\n\u003cli\u003eFactory-calibrated with 342 ppm NaCl; field re-calibration possible\u003c\/li\u003e\n\u003cli\u003eAccuracy of +\/- 2% with built-in Automatic Temperature Compensation\u003c\/li\u003e\n\u003cli\u003eHold and auto-off functions for convenient, battery-saving operation\u003c\/li\u003e\n\u003cli\u003eRuns on two included 1.5V LR44 button cells, roughly 1000 hours of use\u003c\/li\u003e\n\u003cli\u003ePocket-sized at 6.1 x 1.25 x 1 inches with temperature display\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe meter also reports temperature with 0.1 degree Celsius resolution, and at roughly 1000 hours of battery life on its included cells, it is ready for frequent use. Whether you are a homeowner checking your drinking water, an installer verifying a newly commissioned system, or a dealer demonstrating filtration results to customers in person, this HM Digital pocket meter delivers fast, dependable readings in a durable, portable package. It is the simple, trustworthy way to keep tabs on water quality wherever you go, and an indispensable companion for anyone serious about understanding what is in their water.\u003c\/p\u003e","brand":"Hm Digital","offers":[{"title":"Default Title","offer_id":45668861116469,"sku":"TDS-3","price":53.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/4950\/2261\/files\/heemang-pocket-tds-mtr-1-9990-ppm-range-hires-r1200.jpg?v=1789604185"},{"product_id":"water-sample-bottle","title":"Nelsen Corporation Water Sample Bottle Instrument","description":"\u003cp\u003eA clean water sample bottle for collecting a sample to send for testing. Getting a meaningful lab result starts with a clean, correctly filled container - a rinsed kitchen jar will contaminate the sample and skew the result.\u003c\/p\u003e\u003ch3\u003eKey details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFor collecting a water sample for laboratory analysis\u003c\/li\u003e\n\u003cli\u003eClean container suitable for submitting a sample\u003c\/li\u003e\n\u003cli\u003eFollow the lab's fill and handling instructions\u003c\/li\u003e\n\u003cli\u003eLabel the sample with the date and collection point\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhere it fits\u003c\/h3\u003e\u003cp\u003eUse before specifying any treatment system. A real water test is what determines the media and the system you actually need - guessing at the contaminant is how people buy the wrong equipment.\u003c\/p\u003e\u003cp class=\"part-ref\"\u003e\u003csmall\u003eWater Sample Bottle. Manufacturer: Nelsen Corp. Part #: WSB-1 (alt: U7002).\u003c\/small\u003e\u003c\/p\u003e\u003c!--rel-sys-v1--\u003e\u003cdiv class=\"related-systems\"\u003e\n\u003ch3\u003eRelated Systems \u0026amp; Configurations\u003c\/h3\u003e\n\u003cp\u003eComparing options? These related commercial water-treatment systems are frequently viewed alongside this one:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/deluxe-demonstration-kit\"\u003ePro Products Deluxe Demonstration Kit Instrument\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/standard-demonstration-kit\"\u003ePro Products Standard Demonstration Kit Water Treatment Part\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hach-test-kit-hardness-iron-and-ph\"\u003eHach Test Kit Hardness, Iron and pH\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/hach-hydrogen-peroxide-test-kit\"\u003eHach Hydrogen Peroxide Test Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003c!--thin-part-v1--\u003e\u003ch3\u003eNelsen Water Sample Bottle\u003c\/h3\u003e\u003cp\u003eThis is a Nelsen Corporation water sample bottle, a clean container used to collect a water sample for testing or for sending to a lab. It sounds simple, but a proper sample bottle matters more than people expect: the quality of any water test starts with a clean, appropriate container that does not introduce anything that would skew the results. Whether you are testing at home or forwarding a sample for analysis, this is the right tool for gathering it.\u003c\/p\u003e\u003ch3\u003eWhy a Dedicated Sample Bottle\u003c\/h3\u003e\u003cp\u003eUsing a purpose-made sample bottle rather than a random household container helps ensure your results reflect what is actually in the water. Everyday jars and bottles can carry residues, soaps, or films that alter a reading, while a clean sample container gives you a fair starting point. Anyone diagnosing a water problem, verifying that a treatment system is working, or gathering a baseline before buying equipment benefits from collecting the sample properly from the start.\u003c\/p\u003e\u003ch3\u003eHow It Is Used and Buying With Confidence\u003c\/h3\u003e\u003cp\u003eTo use it, you generally collect water following the guidance for the test you are running, fill the bottle as directed, and cap it promptly to keep the sample representative until it is analyzed. Taking care during collection is the easiest way to trust the numbers you get back. At Water Softener Plus we include helpful guidance with your order and are glad to help you understand how to collect a good sample and what to do with your results so your testing actually points you toward the right treatment.\u003c\/p\u003e","brand":"Nelsen Corporation","offers":[{"title":"Default Title","offer_id":45668861640757,"sku":"WSB-1","price":54.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/4950\/2261\/files\/water-sample-bottle-hires-r1200.jpg?v=1789612763"}],"url":"https:\/\/checkout.watersoftenerplus.com\/collections\/meters-and-monitors.oembed","provider":"Water Softener Plus","version":"1.0","type":"link"}