Bob Lowry on When Pool pH Crashes

Low pH is one of the most expensive “quiet problems” in pool care, because it doesn’t just make water feel off, it can actively eat your pool. We sit down with legendary pool chemistry expert Bob Lowry and walk through what aggressive, corrosive water really means in the real world: plaster that starts to etch and turn rough, metal components that dissolve into the water, and the frustrating moment when invisible copper or iron finally hits a saturation point and shows up as stains. If you’ve...