High CYA & High Metals: Fred Schweer’s Fix-It Formula

Algae that won’t quit, stains that appear out of nowhere, and chlorine that seems to do less the more you add—if that sounds familiar, you’re not alone. We sat down with Fred Squeer of Pool RX to unpack the chemistry hiding beneath clear water: dissolved metals and high cyanuric acid. Together we map a straightforward plan to reduce chlorine use, prevent algae, and avoid oxidation events that create brown iron spots or purple copper dust. We start with the truth about metals. Well water, agi...