Waste Holding Tank Treatment; TST ™; Gray Water Holding Tank Deodorizer; Without Formaldehyde; With Deodorant; Lemon Scent; Treats 40 Gallon Holding Tank; 64 Ounce Bottle; Single

For over 40 years RVers have trusted the odor-stopping power of TST™. The name TST™ still guarantees the highest quality in sanitation treatments that contain no formaldehyde, are non-staining and are safe for septic tanks. 100 Percent biodegradable and environmentally safe Features & Benefits Removes Grease Buildup In Your Grey Water Tank, Sink And Shower Drain Lines With This Newly Reformulated Treatment Eliminates Foul Odors, Leaving A Fresh Lemon Scent 100 Percent Biodegradable, Does Not Contain Formaldehyde, Is Environmentally Safe Product Is Safe For Septic Tanks