Walex BAHT68 RV Trailer Camper Sanitation Bio-Active 68 Oz. Liquid (1) Waste Holding Tank Treatment; Bio-Active (R); Biological Treatment Used To Break Down And Liquefy Waste And Tissue To Prevent Messy Clogs; Without Formaldehyde; Without Deodorant; Lubricates Valves And Cleans Sensor; 68 Ounce Bottle With Individual Liquid Treatment Measuring Reservoir; Single Prevents Clogging While Keeping Valves And Seals Lubricated Environmentally Friendly Ingredients To Break Down And Liquefy Waste And Tissue By Speeding Up The Natural Composting Process Fragrance Free. Non-Staining. Formaldehyde-Free 100 Percent Biodegradable