Patti from Mt. Pleasant, Tx writes
The Crystal Plex Algae Control is only designed to control algae in water areas so it should not harm the yard grass. The label states: Do not apply this product in its concentrated form to any crop plants, grass or ornamentals as turf injury could occur. After diluted and sprayed over a pool, and then that pool water used for watering turf injury should not occur. If you are still concerned, you can contact the manufacturer Sanco at 1-888-697-2626.
Answer last updated on: 06/23/2013