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.