Natural Chemistry Algae Break 90 Algaecide, 32 oz Bottle | 17600NCM

Keep your pool crystal clear and algae-free with Natural Chemistry Algae Break 90. This powerful, long-lasting algaecide provides reliable control of blue-green, black, and mustard algae with just one treatment every three months. Designed for convenience and performance, Algae Break 90 helps maintain a sparkling clean pool all season long.

Its non-staining, easy-to-use formula ensures that pool surfaces remain pristine while protecting water clarity. Whether you’re maintaining a backyard oasis or prepping for swim season, Algae Break 90 delivers lasting results without harsh side effects.

Model: 17600NCM
Product Type: Algaecide
Container Size: 32 oz Bottle
Effective Against: Blue-Green, Black, and Mustard Algae
Dosage Frequency: One treatment every 3 months
Formula: Non-staining
Application: Easy pour-and-go use
Compatibility: Safe for all pool surfaces and most sanitizing systems
Benefits: Long-lasting protection, low maintenance, crystal clear water

SKU: 17600NCM

Questions about returns? View our return policy.

Hours Of Operation:

Monday - Friday: 7:00 am to 5:00 pm Phoenix Time

Saturday: 8:00 am to 2:00 pm

Sunday: Closed

We do not ship on Saturday or Sunday.
Orders totaling more than $300 will require signature confirmation upon delivery.
We process and prepare orders for shipment within 1 business day. Please note that many other pool supply retailers require 3–5 days of handling time before shipping.
Orders placed after 1:00 pm Phoenix Time may not be eligible for same-day shipment.
Expedited shipping options are available at checkout.

Return Policy:

Products that are received damaged will receive a refund in store credit.
Most products are eligible for return within 30 days of receipt, except where noted below.
To initiate a return, please complete an RMA form prior to sending your item back.
Original shipping costs are non-refundable and will be deducted from the return credit.
Items returned missing accessories or original packaging, or that are not in the same condition as received, may be subject to a restocking fee of up to 100% depending on the condition of the item upon return.
Some returns will be charged an automatic 15% restocking fee.
We are unable to issue refunds for items that have been damaged or rendered inoperable due to installer error.
Please complete the return form to receive your RMA number and return shipping label.
Chemical products are not eligible for return under any circumstances.
The Pentair Colorsync 618031 is not eligible for return.
Pool cleaners are not eligible for return.
Opened seals and o-rings are not eligible for return.
Capacitors are not eligible for return.
Plastic popup tools are not eligible for return.
Automation components and circuit boards are not eligible for return.
If a light is returned due to a reported malfunction and is found to be fully operational upon testing, return shipping costs and a restocking fee will be deducted from the refund.
Orders refused at the time of delivery will be subject to the original shipping costs being deducted from the refund.