Coral Seas YO-20 Yellow Out Pool Sanitizer, 20 lb

Coral Seas
100% of 100
  • Ships as (1) 20 lb bucket

Clean algae quickly & economically. Natural, safe & FAST! Removes algae in 24 hours. 90% ammonium sulfate.

Ground Delivery Ground
This item ships via UPS Ground and usually arrives in 2 to 3 business days.

Achieves algae clean-up quickly and economically, from green to clean in 24 hours with no brushing. Guaranteed! Regular use of Yellow Out can also help reduce algaecide use that can stain pool surfaces.

Recommended dosage: 2 lbs. per 15,000 gallons of water, concentrating on problem areas. Run filter continuously for 24 hours after adding. Yellow Out should never be pre-mixed with chlorine or other chemicals, nor should it be added directly into skimmer basket or filter suction line. Compatible with salt generators.

Yellow Out is a fast and economical alternative to harmful pool chemicals, getting rid of pool algae fast when used with chlorine.

Yellow Out offers the following advantages:

  • Fast acting
  • No brushing required
  • Dissolves immediately
  • No copper or silver
  • Safe in any gunite, vinyl, plaster or fiberglass pool
  • Results are guaranteed (US Patent #4,614
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Item # 2165P