Professor Amos' Fast Flow Super 7 Microbial Drain Cleaner Clean Lemon 16 FL Oz.

Uses powerful microbial action to break down and digest organic matter -microbes multiply when exposed to food sources so that a small amount of concentrate can be effective. Fast Flow Super 7 contains a scientifically selected proprietary blend of seven microbial strains which are very efficient at digesting solid waste and eliminating odors at their source.