Free Water Treatment Calculators & Tools
Size your system, check your water, and estimate costs with our free tools — built by water treatment specialists. No signup required.
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Softener Sizing
Find the right grain capacity for your home or business by household size and water hardness.
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Water Hardness
Convert ppm ↔ grains per gallon and see if your water is soft, hard or very hard.
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Salt Usage
Estimate how much softener salt you'll use per month — and the cost.
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Iron Filter
Get the right iron/sulfur filter type and tank size for your well water.
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RO Sizing
Size a residential or commercial reverse-osmosis system by demand.
Open tool →Need help? Use the buying guides, browse the free manuals library, or call our team at 813-621-1985.