This cartridge works with the Battery Watering Systems Water Deionizer-making water safe for battery watering. We are often asked? “How much capacity can I expect from a single cartridge?”? That really depends on the quality of the water. If water has particulates or sediment, a pre-filter is recommended. At three grains per gallon of total dissolved solids you can expect 1000 gallons or 3785.4 liters of capacity.

Changing the cartridge is easy-no tools necessary.? To replace the cartridge, turn off supply, unscrew the canister and put the new one in. The old cartridge is non-toxic and can be disposed easily.

Note: The water deionizer is not a water filter and should never be used for drinking water.