The Low pH Danger Zone: Bob Lowry Breaks It Down

Ever wonder why a pool can look fine one week and show stains, rough plaster, or a failing heater the next? The culprit is often low pH—water that turns aggressive, dissolves metals, and etches surfaces long before the damage is obvious. We walk through how acidic water behaves, where metals come from, and why stains show up only after the water hits its saturation point. We dig into real-world service scenarios: vinyl and fiberglass pools that trend acidic because they lack buffering minera...