Our main product is Bio-Green Biodegrader, a bacteria-enzyme dry powder that cleans and deodorizes RV and Marine Holding Tanks, (both grey and black water tanks), and treats Drains & Septic Systems. It deodorizes, cleans, liquifies and digests waste, treating waste, cleaning drains, and revitalizes septic systems. It is harmless to people, pets and plumbing, containing NO formaldehyde or other poisons. Very economical, it takes only 1 tsp to treat holding tanks and each drain.