WSP 110,000 Grain Mineral Tank - Twin-Tank

When hard water runs through your home, it quietly demands more from your appliances, your detergents, and your energy bills. The WSP 110,000 Grain Mineral Tank - Twin-Tank is the heavy-duty pressure vessel designed to hold the media bed for continuous softening, helping your whole system work efficiently without interruption.

What's Wearing Out Your Appliances and Driving Up Your Costs?

Hard water deposits, often invisible until they build up inside your water heater or dishwasher, create a layer of scale that makes heating elements work harder. That means your water heater uses more energy to get hot water flowing and wears out sooner than it should. Detergents and soaps have to work overtime, so you end up using more and still struggle with spots on dishes and stiff towels. You’re stuck scrubbing scale buildup from shower doors and faucets, adding time and frustration to your routine.

How the Control Valve Keeps Your Softener Running Smoothly

The control head on this twin-tank system measures your actual water use instead of running on a set timer. It knows precisely when the softening media needs to be refreshed and initiates regeneration only then. While one tank is softening your water, the other is automatically backwashing and recharging. This metered, demand-initiated regeneration saves you salt, water, and energy, avoiding the waste of unnecessary cycles and ensuring you never run out of soft water—even during regeneration.

The Media That Handles Hard Water Efficiently

Inside this tank sits a high-capacity cation exchange resin designed specifically to target the minerals that cause water hardness. This resin swaps out calcium and magnesium—the troublemakers—for sodium, softening your water as it passes through. Because the media is specialized for hardness, it delivers consistent performance over its lifetime, cutting down scale buildup and protecting your home’s plumbing and appliances.

The Tank Size That Meets Heavy Demand

The mineral tank holds about 3.44 cubic feet of resin, which means it can handle a total softening capacity of roughly 110,000 grains. This volume supports heavy or continuous use, treating water at flow rates up to 8.5 gallons per minute per tank or 20 gallons per minute total. With two tanks working in tandem, your home gets a steady supply of softened water without downtime or drops in pressure, even during regeneration cycles.

Who Should Choose This Tank—And Who Should Consider Other Options?

This twin-tank mineral vessel is suited for larger homes, commercial properties, or multi-unit buildings where water demand is high around the clock. If your household has many bathrooms or you run several appliances at once, this system ensures soft water is always available. For smaller homes or less intensive use, a single-tank system with less capacity might be more cost-effective and easier to maintain.

What You Receive and How to Proceed

The WSP 110,000 Grain Mineral Tank includes the durable pressure vessel with a lifetime warranty on the tank itself. The control valve and electronics carry the manufacturer's warranty as standard. Storage and components are designed for easy servicing by your licensed plumber. U.S. shipping is free and included in your order price. To keep your softening system running efficiently, order your tank today with confidence and get expert sizing help from our Water Softener Plus team.

Who this size is right for

At 110,000 grains of capacity this suits a commercial or multi-unit site - around continuous high demand with many outlets.

Treat those numbers as a starting point. Hardness varies enormously from one supply to the next, and iron eats into softening capacity as well, so a house with hard water and iron should size up rather than sit exactly on the figure. Send us your water test if you would like the sizing checked before you order.