Bio-enzymatic Drain Sticks are the environmental solution to drain maintenance and drain odors. Bio-enzymatic formula will break down soap scum, food, grease and organic matter while eliminating unpleasant drain odors by digesting odor causing residue. Our concentrated sticks are safe on all pipes and not only safe on septic systems, but actually beneficial. Bio-enzymatic Drain Sticks can be used in any drain in the household (as long as it fits through the drain cover) RV's and marine vehicles.