Aquatic Weed Killer - Bio Trim (5 Gallon) - Bio-Trim is a Chemco lead
Amazon.com: BioSafe Systems 7601-1, BioSafe Weed & Grass Killer Concentrate for Organic Gardening, Environment and Pet Friendly, Water Soluble, Kills On Contact, 1 Gallon : Everything Else
BIOADVANCED 1.3 Gal. Ready to Use Weed and Grass Killer 704199A - The Home Depot