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How to Prevent a Green Pool

01 November

Green algae infested pool

How to Prevent a Green Pool

The dreaded “green pool” is a common swimming pool problem and involves the development of green algae on the walls and floor of the pool. It makes the pool look green, hence the name, and it is extremely unsightly. Chlorine shock is the most potent weapon in your arsenal against algae growth, as it quickly raises the level of chlorine in the pool. This elevated chlorine level soon ensures that nothing organic can live in the pool, and the green algae invariably dies. However, prevention is much better than cure, so we will outline ways in which you can prevent algae from ever growing in your swimming pool.

5 Steps to Prevent Algae Growth

To steer clear of algae growth, follow the steps below to maintain a healthy, balanced pool environment. In most cases, you may lack the equipment or the expertise necessary, so in this instance, you may wish to use the services of a professional pool cleaning outfit.

  • Clean Filters Regularly: Your swimming pool filtration system has multiple filters including sand, water pump, and skimmer basket filters. If a filter becomes clogged up, less water passes through it. This makes it easier for algae to become attached to the floor and walls. Filters catch algae spores, which mean algae get has an opportunity to grow on other material that happens to be caught in the filter.
  • Balance the Water’s pH Level: It is necessary to continuously monitor the pH level of the swimming pool water to make sure that it is between 7.4-7.6. Algae actually grows when the pH is from 6.5-12.5, so even a balanced level aids growth but when the pH level is balanced, it allows chlorine to be at its most effective in sanitizing the water.
  • Brush the Pool: It is important to brush the floor, walls, and other difficult to reach spots in your pool at least once a week. If you don’t know where to brush, contact a professional and they can help show you. When you brush your pool, algae formations are broken up, and again, chlorine, bromine, and other sanitizers become more effective. Areas with cracks and crevices are the most troublesome spots, so be sure to clean them thoroughly.
  • Maintain your Chlorine Level: The chlorine level of your pool should be around 2 parts per million (2ppm). Be sure to test the chlorine level once a day during the summer months. If you allow it to fall, algae will thrive in these conditions.
  • Keep Fertilizers Away From the Water: Fertilizers contain nitrogen, which is food for algae. If your property has issues with drainage, fertilizer you use on your lawn could be carried into the pool by rainwater, so please keep this in mind.

  • Hopefully, you will be able to use the above steps, as clearing up a green pool can be an arduous task. In most cases, you will need to call in a professional company, as they will have specialized equipment that quickly eliminates the threat. You want to avoid having to chlorine shock your pool, so take care and keep green algae at bay!

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