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Product Summary

  • Designed for treating and addressing issues related to yellow algae or discolored water conditions.
  • May include formulations targeting the causes of yellow water, such as dissolved metals or other contaminants.
  • Comes in a 2-pound container, providing a specific quantity for treatment based on the water volume and conditions.
United Chemicals Yellow Treat 2 lb - 3 Pack by United Chemicals
Eliminate yellow algae in your swimming pool with United Chemicals Yellow Treat 2 lb, a powerful and effective pool treatment. This specially formulated product controls and prevents yellow algae, ensuring crystal clear pool water for a more enjoyable swimming experience. Say goodbye to stubborn yellow algae and keep your pool looking its best with United Chemicals Yellow Treat 2 lb.
Sale Price: $72.87 Show More

Frequently Purchased Together

Total Price for 2 items $102.86

Product Details

This United Chemicals Multipack Includes: 3 Bottles

United Chemicals Yellow Treat 2 lb - 3 Pack

Yellow Treat is the most trusted Algaecide for killing Mustard & Yellow Pool Algae. Yellow Treat is an EPA Registered patented Algaecide designed specifically for yellow and mustard swimming pool algae. Yellow Treat is one of the most trusted algaecides in the swimming pool industry by service professionals for providing consistent and reliable results for over 20 years. Its powerful patented formula eradicates yellow and mustard algae from all types of swimming pools. Very easy to use, just add one capful per 10,000 gallons of water and super-chlorinate, then watch your swimming pool mustard algae problem disappear. We always recommend that you follow and algae treatment with No Mor Problems to keep algae from coming back and to keep your pool crystal clear all season long.

Yellow Treat Benefits:

  • Eradicates blooms of yellow & mustard swimming pool algae
  • Compatible with chlorine (including salt generator) and bromine pools
  • Dosage Rate is 5 oz. (one capful) per 10,000 gallons of pool water

Frequently Asked Questions:

Q: How does Yellow Treat kill mustard algae?

Yellow Treatís patented formula is a powerful algaecide that works in conjunction with super chlorination. Yellow Treat accelerates chlorineís ability to kill algae by turning it into its strongest (oxidizing) state to burn through the algae in one powerful shot.

Q: Does Yellow Treat work in any type of pool?

Yes. Yellow Treat works universally in pools treated with chlorine and bromine (including salt pools & chlorine generators).

Q: What advantages does Yellow Treat offer over other types of algaecides?

Yellow Treat is trusted by pool professionals because it gets the job done on the first try using less chemical, and does it without creating more problems. Ammonia and Metal-Based algaecides do work, but create more problems to deal with: Ammonia creates chloramines requiring more shocking, and metal-based algaecides can cause significant staining. Yellow Treat works better without causing additional issues to deal with. This means less time fighting algae and other problems, while leaving you more money in your pocket.

Q: Can I use Yellow Treat to prevent algae?

Actually, yes. Some service professionals use Yellow Treat to prevent algae. However, a more cost-effective and beneficial way is to treat your pool with No Mor Problems. No Mor Problems is specifically formulated to last longer in the pool and prevent algae.

Product Specifications

  • Manufacturer: United Chemicals
  • United Chemicals Item Number: YT-C12
  • Item Number: YT-C12-3
  • UPC/GTIN: 00730928001000
  • Condition: New

United Chemicals Item YT-C12-3 Documentation and Manuals

United Chemicals Item YT-C12-3 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.

Thank you for shopping!

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