Greenclean: works without active copper, the active ingredient in most algaecides. This means you don’t have to worry about fish kills and water restrictions on irrigation! An added benefit is the extra oxygen released into your water system! Starts to work on contact. Please consult with us by e-mail to determine your target plant susceptibility and dosage required. Always read the product label before applying. Can not be sold in NY and CA.

Available in 20 lb. Bags.