SeaKlear Algae Prevention & Remover, 4 qt

100% of 100
  • Ships as (4) 1 qt bottles
  • Lasts up to 90 Days!
  • Non-foaming, non-staining
  • Kills and prevents blue-green, green, yellow and black algae
  • Ideal for vinyl, fiberglass, and plaster pools


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Rely on Sea Klear to keep your pool clear and sparkling.

Formulated with an extremely effective and economical low-dose organic copper complex that kills and prevents all types of algae including blue-green, black and mustard algae. Each application lasts up to 90 days.

For initial pool filling:

  • Adjust the pH between 7.2 and 7.6
  • For best results, use SeaKlear Stain Prevention & Remover in the evening with the pool pump and filter operating overnight
  • Add 16 oz. per 10,000 gallons of water by premixing into a plastic pail of water first
  • Pour the solution into the deep end of the pool. (Cloudiness may develop, but don't worry. That's normal, and means it's working. It'll fade away.)

For weekly care

  • Add 6-8 oz. per 10,000 gallons of water
  • Follow up with SeaKlear Natural Clarifier or SeaKlear Mighty Pods Cloudy Pool Cure
  • SeaKlear Algae Prevention & Remover MSDS

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Item # 2985P