This product says it is for year around septic system preventive maintenance and clog free drains. The active ingredients include naturally specifically grown bacillus for digestion of household waste. It also has derivatives of coconuts, lemons and vegetable based cleaning agents. I poured it down my kitchen sink because of the grease and stuff that comes from cooking and can leave sludge on the pipes. It has no odor. We were not having a problem with our septic system so I hope monthly treatments with Drainbo Septic System Treatment and Cleaner will keep it that way. Septic problems are no fun.
EdieB via Homedepot.com Caliente, NV November 22, 2015