









Crystal Blue Copper Sulfate Algaecide - Granular Aquatic Grade Copper Sulfate for Pond Algae Control - 5 Pounds
ADVERTISEMENT
Product Details
99% Copper Sulfate Pentahydrate. To be used for large bodies of water, not small decorative ponds, water features, or pools.
Controls most species of algae like filamentous, string algae and swimmers itch. Copper Sulfate should be used as a pond algae treatment on actively growing algae in water temperature above 60F.
Most effective when cast out on top of thick floating algae mats. Be aware of how much vegetation you are treating at one time. Eliminating too much at once can deplete the oxygen levels too quickly for your fish.
Granular Copper Sulfate, 5 lbs
DO NOT use in bodies of water that include Koi, Goldfish, Trout, or Grass Carp. These types of fish are sensitive to copper sulfate products.
Best Review
Customers report that the copper sulfate algaecide works well within 24 hours, effectively controlling hard-to-kill algae in pools and making water clear. The product is easy to mix and use, and customers find it economical, with one noting it's cheaper than pre-mixed alternatives. They appreciate that it doesn't harm fish and makes pools look amazing, with one mentioning it turns water light blue for a few hours. The size receives mixed feedback, with one customer finding it perfect for water features while another notes it's not large enough for their large pond.AI Generated from the text of customer reviews