United Chemical Yellow Treat is a highly effective algicide specially formulated for the killing and elimination of yellow and mustard in your pool.
- The original and still most effective yellow algae treatment in the world today
- Yellow Treat is a non-toxic algicide and can be used in pools and spas
- Contains Zeos, which will add a sparkle or "polish" to your pool
- For Baquacil and Softswim, use peroxide, not chlorine, and follow the easy instructions