19.6 OZ, Rid-X, Professional Powder Bacteria Additive, 100% Natural Ingredients, New & Improved Super Concentrated Power 2X, Digests Protein 50% Faster & Better, Digests All Types Of Key Household Waste & Septic Field Components, Starch, Fat/Grease, Protein, & Paper, Monthly Application In Homes With 1,500 Gallon Systems Keeps Your System Operating In A Peak Performance Level, Environmentally Safe, Lighter, Non-Clumping Formula, 2 Doses Good For 2 Monthly Applications.