Poultry and Game Bird Waterer Protector contains natural enzymes, which safely break down organic contaminants and residue. Enzymes have the power to break apart proteins, fats, etc. and make them absorbable. Essential enzymes provide birds with added digestive enzymes for better food absorption. Clean water is essential in maintaining healthy birds. Poultry and Game Bird Waterer Protector provides clean, clear, healthy water. 99% Organic - OMRI Approved. Effective on plastic/galvanized waterers. 1oz. treats 1 gallon of water.