Ideal for homes with low to moderate water hardness, the Clack Water Softener uses time tested technolgy to effectively and economically remove hard water calcium and magnesium molecules from your water. Eliminate hard water spots from your dishes, water appliances including dishwasher, washing machine and hot water tank. Soft water will protect your plumbing, fixtures, faucets and appliances for years to come. The only appliance that will actually save you money on your hot water heating costs, soaps and cleaning agents.