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Product Summary

  • Formulated to treat existing stains and prevent the formation of new stains in swimming pools.
  • The product comes in a 2-pound container, providing a specified quantity for treatment based on the pool size and severity of stains.
  • Designed for easy application, with instructions on how to use the product effectively.
United Chemicals Pool Stain Treat 2 lb - 12 Pack by United Chemicals
United Chemical Pool Stain Treat is the ultimate solution for removing unsightly stains from your pool. With its powerful formula, it can eliminate a variety of stains caused by metals, organic matter, and other factors. Trust United Chemical Pool Stain Treat to keep your pool looking its best all season long.

Frequently Purchased Together

Total Price for 1 item $239.76

Product Details

This United Chemicals Multipack Includes: 12 Bottles

United Chemicals Pool Stain Treat 2 lb - 12 Pack

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.

Product Benefits:

  • Use: Stain Removal/Prevention; remove any type of stain from any swimming pool
  • Compatible with all types of swimming pool surfaces (Note: Pre-dissolve for color plaster/painted pools)
  • Chemical Type: Granular
  • Dosage Rate: 2lbs. per 20,000 gallons of pool water

Frequently Asked Questions:

Q: How does Pool Stain Treat remove and prevent stains?

A: Pool Stain Treat is patented chelator and sequestriant. This means Pool Stain Treat dissolves stains of the surface of your pool. It then “traps” the stain causing metals in your water to prevent them from coming back.

Q: What types of stains will it remove?

A: Pool Stain Treat is effective on all types of mineral/metal stains. 99% of stains on pool surfaces are from metal in pool water dropping out and reacting to the surface of the pool. Pool Stain Treat reverses this, pulling the metals of the surface of your pool and removing the stain.

Q: How quickly will Pool Stain Treat remove the stain?

A: This depends on a number of factors, such as the type of stain, type of surface, etc. However, customers have reported seeing results anywhere from several minutes to 24 hours.

Q: What types of pool surfaces will Pool Stain Treat work on?

A: Pool Stain Treat is safe and effective for every type of pool surface, be it plaster, vinyl, or fiberglass. We do recommend that if using on a colored plaster surface that you pre-dissolve Pool Stain Treat to prevent streaking.

Product Specifications

  • Manufacturer: United Chemicals
  • United Chemicals Item Number: PST-C12
  • Item Number: PST-C12-12
  • UPC/GTIN: 00730928002007
  • Condition: New

United Chemicals Item PST-C12-12 Documentation and Manuals

United Chemicals Item PST-C12-12 Suggested Applications

  • All Concrete Pools
  • All Plaster Pools Including Colored, Stone, Glass, & Pebble
  • All Painted Pools
  • All Inground Vinyl Liner Swimming Pools
  • All Aboveground Swimming Pools

Shipping Rates

Orders Under $50 $5.00
Orders Over $50 FREE
3-Day Premium add $50.00
2-Day Premium add $65.00

Shipping Policies:

  • We only ship orders to the 48 contiguous United States.
  • Chemicals, pool paint, and some oversized items, will only ship via ground service.
  • Items shipped via Freight Service, such as pool heaters, will only ship via ground service.
  • All orders shipping to Maryland will incur a 6% sales tax charge.
  • Some items, including hazmat, may require a Direct Signature upon delivery.
  • Shipments must be inspected by customer prior to signing delivery receipt.
  • Orders containing small and light-weight items may ship via FedEx SmartPost or USPS.

Order Returns

You may return an item sold to you by up to 30 days after purchase. The product must be in good condition, unused, in original packaging, and must have all parts, accessories and paperwork; returns without these requirements and/or guidelines will not be accepted.

If a delivery attempt is unsuccessful on order requiring a direct signature, a 15% - 25% re-stock fee may be applied should the order be returned to by the carrier.

Any claims to missing parts, items or damaged goods for any orders must be made within 15 days of delivery date. We are not able to credit your shipping and handling fees if the wrong product was ordered due to customer error. However, if you received the wrong products due to an error on our behalf, we will pay for the return services fees and you will receive a full refund or exchange.

To return an item to, please call 800-4MY-POOL to get a Return Merchandise Authorization number (RMA) and return instructions. Any items returned without an RMA number will be refused. We will process your refund upon receipt of the returned product.

Products that cannot be returned:

  • Pool Chemicals
  • Special Orders
  • Pool Liners
  • Pool Paint

Products that may incur a re-stock fee of 15% - 25%:

  • Pool Cleaners *
  • Pool Heaters *
  • Pool Pumps *
  • Pool Filters *
  • Pool Lights & Fixtures *
  • Pool Ladders & Rails *
  • Pool Slides *
  • Pool Chlorinators *
  • Custom Manufactured Safety Covers *
  • Pool & Spa Electronics or Controls *
  • In-Stock Safety Covers *
  • Pool Covers that are Ordered and for the Incorrect Pool Size *
  • Baby-Loc Brand and other Safety Fencing *
  • Spa Cover Lifters *
  • Umbrellas & Umbrella Stands, and Hammocks *

* These products must not have been used, installed, or attempted to have been installed. All products must include original paperwork, parts & accessories, and everything accompanied with the product.

Concealed damage on any ground shipment must be reported within 3 business days. Freight shipments must be inspected for damages prior to customer signing delivery receipt. Please email any information regarding concealed damage to Please reference your order number in all order related email correspondence.

Customer is responsible for any/all return shipping charges. Some returns may be subject to a 15% - 25% restock fee that will be deducted from your refund.

Please call 800-4MY-POOL if you have questions regarding this return policy.

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