Troubleshooting

Fixing green pools, clearing algae blooms, diagnosing cloudy water, and solving common pool problems.

3 articles

Aerial view of a still dark teal swimming pool reflecting clouds with a towel draped on the coping
Troubleshooting

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.

•16 min read
Aerial view of a swimming pool with green-tinted water and a brush pole resting at the edge
Troubleshooting

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.

•15 min read
Aerial view of a green swimming pool with algae bloom and a pool brush on the deck
Troubleshooting

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.

•11 min read
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