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Why Your Pool Goes Green in the Tropics: Understanding the Causes and Solutions

If you own a swimming pool in a tropical region, you may have experienced the frustration of green, cloudy, or murky water. This can be a common issue in these regions, due to the combination of high temperatures, frequent rainfall, and heavy bather loads. In this blog post, we’ll explore the reasons why your pool may turn green in the tropics, and offer some solutions for preventing and treating green pool water. We’ll also discuss how Pool Store Plus can help you keep your pool clear and sparkling. 

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Why Your Pool Goes Green in the Tropics 

  • Algae growth: Algae is one of the most common causes of green pool water in tropical regions. Warm temperatures, sunlight, and nutrients can all contribute to the growth of algae in your pool. 
  • High bather loads: Frequent use of your pool can also contribute to green water. This is because sweat, sunscreen, and other contaminants can accumulate in the water, providing a food source for algae. 
  • Heavy rainfall: Heavy rainfall can introduce large amounts of contaminants to your pool, which can contribute to the growth of algae and other microorganisms. 

Solutions for Preventing and Treating Green Pool Water 

  • Maintain appropriate chemical levels: Properly maintaining your pool’s chemical levels, especially the chlorine level, is crucial for preventing algae growth. Regularly testing your water and adjusting your chemical levels as needed can help to prevent green pool water. 
  • Reduce bather loads: Reducing the amount of time that people spend in the pool or limiting the number of people in the pool at one time can help to reduce the amount of contaminants that accumulate in the water. 
  • Regular cleaning and maintenance: Regularly cleaning your pool and maintaining your filtration system can help to remove contaminants from the water and prevent algae growth. This includes brushing the walls and floor of your pool, skimming the surface, and cleaning your filter regularly. 
  • Shock treatment: If your pool has already turned green, a shock treatment may be necessary to remove the algae. This involves adding a large amount of chlorine or other chemicals to your pool, which can kill the algae and restore the water to a clear and sparkling state. 

How Pool Store Plus Can Help 

At Pool Store Plus, we offer a range of services to help you keep your pool clear and sparkling. Our team of experts can provide regular testing and maintenance, as well as offer recommendations for preventing and treating green pool water. We can also provide guidance on how to properly maintain your pool’s chemical levels and offer solutions for cleaning and maintaining your pool. Pool Supplies


In conclusion, green pool water is a common issue in tropical regions due to algae growth, high bather loads, and heavy rainfall. However, by properly maintaining your pool’s chemical levels, reducing bather loads, and regularly cleaning and maintaining your pool, you can prevent and treat green pool water. Contact Pool Store Plus today to learn more about how we can help you keep your pool clear and sparkling. 

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