Yellow Treat®

Save $24.87

$19.99 $44.86

The Original Mustard Algae Killer

Yellow Treat® is the original mustard algae killer.  Introduced in 1981, Yellow Treat® has become the most trusted answer to yellow algae.

Kills Mustard Algae Fast

Yellow Treat®'s powerful formula kills mustard algae fast. In as little as 24 hours it will turn a yellow pool back to clean.

Less Shocking

Yellow Treat® requires less shocking to get the job done. This saves you time, money and hassle.

Safe for any pool

Yellow Treat® is tough on algae - not on surfaces. Meaning it's safe for any type of pool. It also contains zero ingredients that stain. Keeping your pool looking beautiful after the algae is gone.

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