3.5 OZ, Septic Tank Aid, Use In All Domestic Waste Water Systems, Septic Tanks, Aerated Wastewater Systems, Composting Toilets, Gray Water Diverter Systems, Rapidly Break Down Waste Material & Odor Causing Compounds, Removes Odors, Reduces Solids & Fats In Leach Field, Digests Solids, Reduces Pump Outs, Breaks Down Paper & Grease, Fast Acting, Easy Application, Only Requires Quarterly Treatment For Optimal Performance, 100% Organic, Natural, Non-Toxic & Chemical-Free Biodegradable, Safe For Everyday Use In A Diverse Range Of Consumer, Commercial and Industrial Products, Will Biodegrade At Various Speeds Based On Environmental Conditions.