Crystal Blue Copper Sulfate Algaecide - Aquatic Grade Granular Pon...

Crystal Blue Copper Sulfate Algaecide - Aquatic Grade Granular Pond Algae Control - 5 lbs

• 99% Copper Sulfate Pentahydrate
• Controls most species of algae like filamentous, string algae and swimmers itch
• Most effective when cast out on top of thick floating algae mats
• Granular Copper Sulfate, 5 Lbs
• Do Not Use with KOI or Goldfish