How to Clear a Green Pool

There are many different ways to clear a green pool. We have listed three of them, ranked by speed and cost. The fastest way is the most expensive. then moderate, and finally, the least expensive and slowest.

The Fastest Way:

  • Make sure that the filter system is operating and circulating water.
  • Add 2 gallons of liquid chlorine per 10,000 gallons and circulate for 4 hours.
  • Add 1 container of Yellow Out per 10,000 gallons. Circulate water for 4 hours.
  • Add 6 Mini Tabs per 10,000 gallons into the skimmer.
  • Add 1 ounce of Pool First Aid per 10,000 gallons. Circulate the water overnight.
  • In the morning, water should be clear and the dead algae should be on the bottom. If the water is still cloudy, repeat steps 2, 4 and 6, and then check the next day. If you can see the bottom, vacuum the pool. If you have a cartridge filter, vacuum very slowly as normal. If you have a sand filter, vacuum on waste. You will have to put in some make up water to replace the water you are wasting. Some of the dirt will stir, so it may be necessary to vacuum several times over several days.
  • Begin or resume normal maintenance schedule.

Moderate Speed and Price:

  • Make sure the filter system is operating and circulating water.
  • Add 2 gallons of liquid chlorine per 10,000 gallons.
  • Add 6 Mini Tabs per 10,000 gallons into the skimmer and circulate 4 hours.
  • Add 4 ounces of Copper Algaecide per 10,000 gallons and circulate 4 hours.
  • Add 1 ounce of Pool First Aid per 1000 gallons. Circulate overnight.
  • If water is still cloudy the next day, repeat steps 2, 3 and 5 and circulate till the next day.
  • Water should now be clear enough to vacuum. Vacuum normally, backwash or clean filter only if the return water has slowed down to a trickle. Remember, sand filters filter better when they are dirty. Backwashing too often slows down the clearing process. When you vacuum, some of the dirt will stir up, so it may be necessary to vacuum a few times over several days.
  • Begin or resume normal maintenance schedule.

Inexpensive Method:

  • Make sure the filter system is operating and circulating water.
  • Add 10 Mini Tabs per 10,000 gallons.
  • Add 2 pounds of Blast per 10,000 gallons. Circulate water during the daylight, and turn off overnight.
  • Repeat steps 2 and 3 until you can see the bottom for vacuuming.
  • Vacuum normally, backwash or clean filter only if the return water has slowed down to a trickle. Remember, sand filters filter better when dirty. Backwashing too often slows down the clearing process. When you vacuum, some of the dirt will stir up, so it may be necessary to vacuum a few times over several days.
  • Repeat steps 2, 3, and 5 until the water is clear. Normally, this takes 3-5 days.
  • Begin or resume normal maintenance schedule. 

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