Crystal Plex is a liquid copper sulfate solution designed to kill and control algae and some aquatic plants including Hydrilla. Pond algae treatments should be done on actively growing algae and when water temperatures are at least 50F.

• Brand Name: Crystal Blue
• Sub Brand: Crystal Plex
• Product Type: Algae Control
• Container Size: 128 oz
• Product Form: Liquid
• Color: Blue