Robelle 3 Month Algaecide

by Robelle
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# 17109960
    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#: 17109960

The extra-strength formula of Robelle 3-month Algaecide kills all types of stubborn algae, including black, mustard, pink and green. This product is non-foaming, non-staining and it significantly clarifies pool water. Long-lasting copper algaecide prevents new algae growth for a full 90 days.

  • Kills black, mustard, pink, and green algae
  • Prevents algae growth for 90 days
  • Copper algaecide
  • Brand: Robelle
  • Model: 2165
  • Materials: Copper sulphate pentahydrate
  • 1, 2, 4, or 12 1-quart bottles


Dimensions 1
Model Number 2165
Country of Origin United States

Product Reviews

5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
  • Most Recent

  • wonderful
    Verified Purchase

    Had pool going for two months and so far, no algae problems...didnt use this last year and after two weeks was green with algae... Highly recommended 😁

    Read More
    karen r. Aug 5, 2016

Questions & Answers

  • Q:

    "Why did you choose this product?"

    • A:

      I usually purchase at BJs Wholesale Club but they were out of it today. So I went on-line and saw a better deal through Overstock.

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.