How to Quickly Clear a Green Pool

A green pool is a common issue, usually caused by algae growth due to imbalanced chemicals or inadequate filtration. Here’s how to quickly clear a green pool, with tips on when to call a professional pool service.

First, test your pool water. Measure the pH, chlorine, and alkalinity levels using a testing kit.

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The pH should be between 7.2 and 7.6, and chlorine levels should be around 1-3 ppm. Adjust the pH using pH increaser or decreaser as needed.

Next, shock your pool. Use a high dose of chlorine, known as pool shock, to kill the algae. Follow the manufacturer’s instructions for the correct amount based on your pool size. It’s best to do this in the evening to avoid chlorine degradation by sunlight.

After shocking, run your pool pump and filter continuously for 24 hours. This helps circulate the chlorine and filter out dead algae. Clean or backwash your filter regularly during this process to maintain efficiency.

Brush the pool walls and floor to remove any clinging algae. This ensures all algae are exposed to the chlorine.

If your pool remains green after these steps, it’s time to call a professional pool service. They have specialized equipment and chemicals to tackle severe algae blooms and restore your pool’s clarity.

In conclusion, while you can often clear a green pool yourself, don’t hesitate to enlist a pool service for persistent issues. They ensure your pool is safe, clean, and ready for use.


First, test your pool water.

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