Walex Bio-72268 Bio-Active Liquid Holding Tank Treatment - Measurable. Developed by Walex's R&D department Bio-Active Holding Tank Treatment represents powerful 100percent environmentally friendly ingredients to break down and liquefy waste and tissue by speeding up the natural composting process. Prevents clogging and the 100percent biodegradable formula also lubricates valves and seals. Formaldehyde-free liquid is non-staining and fragrance-free. Available in 3 convenient sizes: 40 oz. 68 oz. and 168 oz. Both 40 oz. and 68 oz. bottles are tip and pour bottles for ease of use. Features of Walex Bio-Active Liquid Holding Tank Treatment Size: 168 oz. bottle Powerful 100percent environmentally friendly ingredients Helps to prevent clogging 100percent biodegradable formula lubricates valves and seals Non-staining fragrance-free and Formaldehyde-free liquid Package Contents: Walex Bio-Active Liquid Holding Tank Treatment Walex BAHT68: Bio-72268 Bio-Active Liquid Holding Tank Treatment - Measurable