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How to Eliminate and Prevent Green Algae in a Swimming Pool  
HOW TO 

Tags: Swimming Pool Problems, Green Algae, Swimming Pool Repair, Pool Maintance

One common problem in swimming pools is green algae. This can be a very unpleasent site when you just want to take a wuick dip. Here is how you can eliminate and prevent green algae in your swimming pool.

1.	Brush the walls and floor of the swimming pool to remove as much of the algae as possible. This will greatly reduce the amount of time it takes to kill and clear the algae bloom.
2.	With the pool filter system running, add a chlorine based swimming pool shock at the rate of 1 lb. per 7,500 gallons (or follow the pool shock manufacturer’s dosage suggestion for killing algae). The pool filter system should continue to run 24 hours a day.
3.	If the condition of the swimming pool does not significantly improve after 12-24 hours of filtering, add a second dose of chlorine pool shock at the increased rate. Repeat this process until the algae has been eliminated.
4.	Once the algae is dead it will turn a white or grayish color, and it will be suspended in the pool water or settle to the floor. When there is no longer any sign of the color green in your pool, thoroughly vacuum the swimming pool. It is recommended that you vacuum dead alge to waste and not through filter.
5.	The pool filter should be backwashed or cleaned to be sure that dead algae is not trapped inside the filter. If the filter is not thoroughly cleaned the algae may quickly return.
6.	Test and balance all of the pool chemical levels using the following guidelines. Free Chlorine: 1-3 ppm, pH: 7.2 – 7.6, Alkalinity: 80 – 120 ppm and Calcium Hardness: 200 – 350 ppm.
7.	Begin adding an algaecide pool chemical on a weekly basis to prevent algae from returning.

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