How to Lower Calcium Hardness in a Pool

High calcium hardness isn’t a problem until you start noticing white, chalky buildup on your pool walls, cloudy water that won’t clear up, or a clogged filter that’s working harder than it should be. That’s calcium scale, and it means your calcium hardness levels are too high. Total calcium hardness measures the amount of dissolved […] The post How to Lower Calcium Hardness in a Pool appeared first on Swim University.