GreenClean Pro Granular Algaecide Fungicide 50 Lbs. Imperial PowerPlant Rainfall or irrigation after application Rainfall or irrigation after application helps move the product into the soil root zone for improved residual control Preventive and curative use in turf management programs to suppress grub and beetle populations before they cause visible damage GreenClean Pro Granular Algaecide & Fungicide is a fast acting water treatment designed to help maintain cleaner irrigation systems and water delivery systems No Long Term Residuals Breaks down into environmentally compatible byproducts Crop Safe When Used as Directed Suitable for use with a wide range of agricultural and horticultural crops NSF ANSI Standard 60 Certified Approved for use in drinking water treatment applications according to certification standards OMRI Listed Suitable for use in many organic production systems where permitted Target Uses