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    Yellow Out® The algae problem-solver

    Follow the instructions for balancing your pool water and add the recommended dose into the water. Follow up five minutes later with a shock treatment, run your pump & filter system for 24 hours, and super chlorinate a second time to finish it off.

    • No brushing needed
    • Dissolves immediately
    • Yellow out is safe & non-toxic
    • Safe for all pool surfaces including vinyl liners
    • Safe for pools with salt generators
    • Works in 24 hours
    • Available in 2 lb. & 4 lb. containers
    Dosage: 2 lbs. per 15,000 gallons read more
      • Item: # Y4500 2 lbs. $16.99
      • Item: # Y4510 4 lbs. $29.99
      • Item: # Y4515 2 x 4lbs. $54.99
      • Item: # Y4520 4 x 4lbs. $108.99
      • Product Description
      • Customer Review
      • MORE INFO

      Yellow Out is a chemical breakthrough that, when used with pool shock, eradicates yellow mustard, green, brown, and pink algae from swimming pools! Just follow the directions to balance the water, and then add the recommended dose of the powder directly to the pool.

      Before and after pictures
      Yellow Out before and after pictures
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