How To Clean A Green Pool

How To Clean A Green Pool

Having a green swimming pool on a hot summer day can ruin your plans for a pool party. A lot of homeowners face the problem of green water, which is primarily caused by algae growth. Algae growth can be caused by several reasons that may include, lack of filtration, sunlight, and heat.

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  1. Step 1: Clean Your Filter
  2. Step 2: Test Your Water
  3. Step 3: Shock Your Pool
  4. Step 4: Clean Your Pool
    1. Conclusion

Step 1: Clean Your Filter

The first step to clean a green pool is to clean the filter. This is essential because the filter helps to remove any debris from the water. Therefore, a clogged filter won’t work efficiently, and it is likely to cause pool water to turn green. It is recommended that you clean your filter at least once a week to prevent this from happening.

If your filter is dirty, you can either backwash your sand or DE filter or clean your cartridge filter. The best way to clean your cartridge filter is by soaking it in a cartridge cleaner for a few hours. After you have soaked it, rinse it with water and reassemble it.

Step 2: Test Your Water

The second step is to test the water in your pool. You need to check the pH, alkalinity, and chlorine levels. You can use a testing kit to test these levels. The ideal range is between 7.4 and 7.6 for pH, between 100-150 ppm for alkalinity, and between 3-5 ppm for chlorine levels.

Step 3: Shock Your Pool

The third step is to shock your pool. Shocking your pool means adding a high dose of chlorine to your pool. This helps to kill the algae and bacteria present in the water. You will need to add about 10 times the normal amount of chlorine you usually add.

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It is important to wait at least 8 hours before you can swim in the pool after adding the shock treatment. You can clean your pool after that time has elapsed.

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Step 4: Clean Your Pool

The fourth and final step is to clean your pool. Use a pool brush to scrub the sides and the bottom of the pool. This helps to remove any remaining algae. You can use a pool vacuum to remove any debris present in the water. You should also clean the skimmer and the pump basket to prevent clogging.


Cleaning a green pool is not an easy task, but with the right products and the proper technique, you can restore your pool water to its former glory. Make sure to test your water regularly and clean your filter weekly to prevent algae growth.

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