Water Softeners

Hard water leaves scale on fixtures, spots on dishes, and buildup inside your water heater. A water softener fixes that by removing calcium and magnesium. But softeners vary a lot in size, efficiency, and price.

Start with our best water softener buyer's guide to learn how to size and compare systems. Check what to budget in our water softener cost guide. Already own one that's acting up? Our water softener repair guide walks you through the most common fixes.

Not sure you need a softener? Test your hardness first. The USGS considers water over 120 mg/L (about 7 grains per gallon) hard.