Episode 23: Metal Staining and the Ecosystem of Metals in Pool Water | The Pools Scientific Podcast

Pool metal stains rarely come from just one source, and this episode walks through the real chemistry behind them. John covers where metals and minerals actually enter pool water, why iron, manganese, and copper stain differently, and why calcium and magnesium follow the same solubility rules everyone assumes are unique to metals. He breaks down the difference between a sequestrant and a chelator, walks through a rare copper cyanurate case that took fifteen drain and refill cycles...