SePRO Copper Sulfate Blue-Stone Crystals for Pond Algae Treatment water features Re-treat as regrowth begins to

Re-treat as regrowth begins to appear

Prevents low oxygen fish kills

Voltage is specific

Made for continuous use

Quick Tip: Treatments control active algae

SePRO Copper Sulfate Blue-Stone Crystals for Pond Algae Treatment water features Re-treat as regrowth begins toCopper Sulfate is a good alternative to other algaecides. Works in many different water conditions, including hard water. Copper Sulfate will kill on contact. Works great on Chara and Filamentous Algae Inexpensive algae control Crystals can be diluted into a sprayable solution to kill floating algae Available in 5 pound container only Application Rate 2 4 lbs of Copper Sulfate per 1 acre foot of water Please see label for complete product information.