In The Swim Super Algaecide for Swimming Pools

by In The Swim
Out of Stock

Plus, Free Shipping & 5% Rewards back for only $19.95/yr Learn More




5% Rewards

On Every Order

Free Shipping

On Every Order

Exclusive Rewards

Earn Big - Up to 40% back!

Free Returns

On Select Clothing & Shoes

Exclusive Offers

Straight to Your Email Inbox

5% Dining Rewards

Get Paid to Go Out Tonight

ITEM# 18763248
    Notify me when it is back in stock!

    Enter your email address, we will notify you if it comes back in stock.

Love this item?

Save it to a list so you can find it anytime!


something went wrong.

Please refresh the page and try again.


ITEM#: 18763248

Terminate algae within hours using only small doses of this high quality, concentrated copper algaecide. Powerful on algae, but safe on humans, you can even swim immediately after the treatment, so there's no waiting.

  • Non-foaming copper algaecide works within hours on most types of algae
  • High concentration uses smaller amounts and is easy to measure
  • Safe formula lets you swim immediately after treatment
  • Active ingredient is 23.5-percent copper triethanolamine complex, which is equivalent to 7.1-percent metallic copper
  • Not recommended for well water use
  • Maintenance dose is 2 ounces per 10,000 gallons of water
  • Spring start-up dose is 4 ounces per 10,000 gallons of water


Dimensions See Description
Model Number Y1100-Y1112
Country of Origin United States

Questions & Answers

Yay! Be the first to ask a question about this product.

Shipping & Returns

Contact Information
Shipping Information:

Our standard shipping method is ground shipping. We also offer expedited shipping for most items. Your final shipping cost and estimated delivery timeframe will be available at checkout.
Standard shipping details
Expedited shipping details

Standard Return Policy:

Items must be returned in new or unused condition and contain all original materials included with the shipment. More Details

FINAL SALE EXCLUSION: Items marked as FINAL SALE are not returnable unless the problem you experience is the result of our error.


This item cannot be shipped to Alaska or Hawaii. More details

For your protection, all orders are screened for security purposes. If your order is selected for review, our Loss Prevention Team may contact you by phone or email. There may be a two business day delay to process your order.

** Most Oversize orders are delivered within 1-4 weeks. Some orders may take 6 weeks to be delivered.