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Works great on Algae & Chara!
Copper Sulfate Controls all species of algae. Chara, filamentous or string algae do not stand a chance when using copper sulfate crystals.
Apply either by hand spreader or dilout in water and spray onto unwanted algae.
DO NOT USE IN PONDS OR LAKES WHERE TROUT or KOI FISH ARE PRESENT!
Cannot be shipped to: AK, CA, CT, HI, ME, NJ, NY, PR, WA or Canada
