Bio-Active liquid RV black holding tank treatment uses powerful eco-friendly ingredients like natural bacteria and enzymes to break down and liquefy waste and tissue by speeding up the natural composting process. Prevents clogging and foul odors while keeping valves and seals lubricated. Liquid provides versatility to adjust dose based on necessity. Also great for smaller black tanks in camper vans or trucks. 40 oz tip-and-pour bottle.

Size: 40 oz. bottle Powerful 100% environmentally friendly ingredients Helps to prevent clogging 100% biodegradable formula lubricates valves and seals Non-staining, fragrance-free and Formaldehyde-free liquid Biocide-free Zinc and Copper Free California Compliant