Best ways for removing calcium buildup on pool tiles

Removing calcium buildup on pool tiles is one of those chores that every pool owner eventually faces, usually right when you're ready to jump in and relax. You look at that beautiful blue water and then your eyes drift to the waterline, only to see a thick, white, crusty ring staring back at you. It looks like a bathtub ring on steroids, and unfortunately, it doesn't just wipe away with a damp cloth. This chalky residue is a combination of hard water minerals and evaporation, and if you let it sit for too long, it can become a permanent part of your pool's aesthetic. ...

February 12, 2026 · 7 min · Sunshine Gaidacheva