United Chemicals Pool Stain Treat 2 lbs - 12 Pack

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Pool Stain Treat has the strength to remove stains from any kind of swimming pool. Pool Stain Treat is a patented pool stain remover that has the strength to work on any type of stain on every kind of pool surface. Pool Stain Treat is a powerful chelator and sequestering agent, able to dissolve metals that have stained your pool to dissolve away back into the water. Pool Stain Treat works independent of pH and chlorine levels making it easy to use.

Simply add one bottle (2 lbs.) of Pool Stain Treat per 20,000 gallons to your pool in the affected area and watch the stains disappear. Pool Stain Treat continues to work for up to sixty days keeping metals water soluble and preventing future stains. Pool Stain Treat is the most trusted stain remover in the Pool Industry because of its ability to remove the toughest pool stains.

Typical Metals Found in Pools:

  • Copper (green, blue, and gray stains)
  • Silver (brown and gray stains)
  • Manganese (pink, gray, and brown stains)
  • Iron (brown stains)
  • Copper (brown stains, typically found in fiberglass pools)


  • Great for any pool surface
  • Perfect for start-up stain prevention
  • Safe & easy to use
  • Baquacil and Softswim compatible
  • Works up to 40-60 days on all surfaces


  • 2 lbs. per 20,000 gallons
  • If concentrated area of staining, place Pool Stain Treat in a sock or pantyhose to prevent the product from dispersing amongst the rest of the pool
  • Product is acidic, so pH level may need to be readjusted
  • Will mask your chlorine level, so do not shock pool if you see that your chlorine has disappeared


  • All In-Ground Pools
  • All Above-Ground Pools