The only digester for best results in your Doggie Dooley. Easy to use-environmentally safe-100% biodegradable. Directions: Mix one tablespoon of enzymes with one quart warm water. Stir mixture into contents of the Doggie Dooley System. Allow 24 hours before adding any more waste. This should speed the digestive action. Continue to follow the directions for your Doggie Dooley System. Three year supply