Water chemistry, algae, and everyday care for Florida pools.

How to lower pH in a pool with muriatic acid: dose amounts by pool size, safe handling steps, why Florida pools drift high, plus the alkalinity catch.

Cyanuric acid protects chlorine from sun – until it climbs so high the chlorine stops working. The Florida guide to CYA: testing, targets, and lowering it.

Mustard algae looks like dirt, brushes off in a yellow cloud, and resettles by morning. The kill protocol, the gear-washing step everyone skips, and prevention.

Black algae in a pool digs roots into plaster and shrugs off normal shock. Here’s the removal protocol that works, and how to keep it from coming back.

How to get rid of algae in a pool, start to finish: test, shock to kill level, brush hard, filter 24/7, vacuum the dead bloom, and stop it…

Why is my pool green? Cloudy green means algae, clear green usually means copper. Diagnose the exact cause in five minutes and treat the right problem.

Cloudy pool water comes down to chemistry, filtration, or weather. Find your cause in minutes, clear it up in 24-48 hours, and stop it from coming back.