How to Raise Calcium Hardness in a Pool

If your water doesn’t have enough calcium, it starts pulling calcium straight from your pool’s surfaces. And that leads to etching, pitting, and damaged equipment. The good news is that raising calcium hardness is one of the easier chemistry fixes you’ll deal with all season. Check out the video or keep reading for a walkthrough […] The post How to Raise Calcium Hardness in a Pool appeared first on Swim University.