Troubleshooting
Fixing green pools, clearing algae blooms, diagnosing cloudy water, and solving common pool problems.
4 articles
Pool foam causes and how to fix it (2026)
Pool foam is almost always surfactants - body oils, sunscreen, detergent, or cheap quat algaecide. Enzymes clear it in 24-72 hours; defoamer just masks it.
Cloudy Pool Water: How to Diagnose and Fix It
Cloudy pool water is usually caused by low chlorine, high pH, or a dirty filter — not a clarifier deficiency. Diagnose the actual cause, then fix it with exact dosages.
Pool Algae: How to Kill Green, Yellow, and Black Algae
Pool algae comes in three forms (green, yellow, and black), each requiring different treatment. Chlorine shock at the right level for your CYA kills algae; algaecide alone does not.
How to Fix a Green Pool: The SLAM Method
Your pool turned green. Here is how to fix it: diagnose the severity by color, use the SLAM process to kill algae, and get your water crystal clear again. Includes chlorine dosing by CYA level.