Help! My Pool is Green

A pool typically turns green due to the growth of algae, which thrive in water that is not properly sanitized or balanced. Here are the most common causes:

1. Low Chlorine Levels

* Chlorine is the primary sanitizer that kills algae and bacteria. If chlorine levels drop too low, algae can quickly grow, turning the water green.

2. Imbalanced Pool Chemistry

* Incorrect pH, alkalinity, or stabilizer (cyanuric acid) levels can reduce chlorine's effectiveness, allowing algae to thrive.

3. Poor Filtration or Circulation

* If your pool filter is dirty, malfunctioning, or not run long enough each day, debris and algae spores can accumulate and grow.

4. Warm Temperatures

* Algae grow faster in warm, sunny conditions, especially if chlorine levels are not properly maintained.

5. Phosphates and Nitrates

* These are nutrients that feed algae. They can enter the pool from rain, debris, or swimmers and can accelerate algae growth if not controlled.

6. Organic Debris

* Leaves, dirt, and other organic material can decompose in the pool, creating an environment conducive to algae growth.

Quick Fixes can include:

* Shock the pool with chlorine to kill the algae.

* Brush the pool walls and floor.

* Run the filtration system continuously until the water clears.

* Balance pH and alkalinity.

* Consider using an algaecide if algae persists.

Shipley Pools can help you troubleshoot your specific situation based on your current chemical readings. This is part of our full service monthly service. Reach out to us with any questions. Until then, happy swimming!