 | Crystal Blue Copper Sulfate Treatment Granules. For algae control, use 2-1/2 to 4 lb. per acre-foot of water When the water temperature reaches 60 degrees or greater, treat 1/2 of the pond, wait 10 days and treat remainder of the pond Crystal Blue Copper Sulfate Treatment Granules is a copper-based algaecide that is most effective when used to prevent algae growth. One bag treats up to 1 acre-foot of water, or 2-1/2 to 4 lb. per acre-foot. When the water temperature reaches 60 degrees or greater, treat 1/2 of the pond, wait 10 days and treat remainder... - Crystal Blue Copper Sulfate Treatment Granules. |
