112 billion bacteria per ounce. Cost effective, treats 50 sites for over 3 years. Digests waste, detergents, grease & paper. Decreases sludge, reduces pumpouts. Eliminates odors. Keeps system working correctly. Combats chemicicals introduced intoyour system 25 lb. Pail. A dry blend of 7 natural bacterial strains. Minimum 1 pail