Please note that any orders placed after 2:00pm will be processed the next business day.

Crystal Blue 15 Lb. Copper Sulfate Smart Crystals 6-Acre Coverage Area Moss & Algae Killer

Crystal Blue

SKU: 13850144

Effectively controls most types of algae. Apply by casting copper crystals over floating algae mats, dissolve in water, and spray, or place crystals in porous bag and drag behind boat. Treat a portion of the pond at a time to prevent oxygen depletion.