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How can I Remove Green Pool Algae from swimming pool and spa?

Do you have a green swamp in your backyard? If so, you’ve come to the right place! Going out to your backyard paradise and looking at green algae infested swimming pool or spa is a horrible feeling. Usually this problem is either caused by a filtration problem, not enough sanitizer, or high phosphates. So how do you remove green algae from your swimming pool or spa? As you read further you will find the steps and products needed in order to solve this problem.

If you discover a tint of green forming on your walls or tile of your swimming pool or spa, but your water is still clear, this is most likely the beginning of green algae. This mild case of green algae can easily be removed with chemical treatment using the following steps:

  • Have your pool water tested by a pool professional for proper water balance. The reason for this testing is that your pool water hardness may be extremely high and chemicals would not be effective.
  • Contact your local pool supply or internet store and inquire about the appropriate algaecide & shock chemicals needed. Apply as directed depending on the size of your pool.
  • Brushing the pool surface may open the pores of the algae to allow the chemicals to react more efficiently.
  • You will then need to run your pool, or spa, equipment for the next 24-48 hours after applying proper chemicals. This will filter the algae that have been removed from the surfaces of your pool.

Can you see the shallow end of the swimming pool or the bottom of your spa? Does your swimming pool or spa look like a swamp? If so, you most likely have a severe case of green algae. Though “severe,” the following steps will guarantee your crystal clear blue swimming pool or spa. The best way to approach this situation is to drain your swimming pool or spa completely and give it a chlorine bath. Required equipment and products would be the following:

  • You will need a submersible pump to drain algae infested water out to the gutter (Find out if your city codes will allow you to drain to sewer.)
  • Several gallons of liquid chlorine are needed to pour along the surface of your swimming pool or spa. After about 30 seconds, brush and rinse at the same time with a high pressure hose. Keep submersible pump in the bowl of you swimming pool or in the middle of the spa to keep water flowing out to gutter.
  • Once you have thoroughly gone through your swimming pool or spa and have pumped most of the infested water out, you can start to refill your swimming pool or spa.
  • When the swimming pool or spa is filled make sure you add the proper start up chemicals required. The previous procedure is only recommended for an Inground concrete, plaster, or pebble finished swimming pool or spa!  It is recommended that you contact a pool professional to inquire about the appropriate doses needed depending on the size of your pool.

Now that you have successfully removed that unwanted algae from your sparkling pool, you can sit and enjoy your backyard paradise!

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