Camco Rhino Holding Tank Cleaner Drop-INs - 6-Pack [41560]

Rhino Holding Tank Cleaner Drop-INs - 6-Pack Camco’s Rhino RV Holding Tank Cleaner Drop-INs contains a powerful enzyme complex that helps clean your RV’s black water holding tank. Just (1) Drop-IN treats up to a 40-gallon tank. Cleaning your holding tank regularly helps keep tank sensors functioning efficiently and keeps unwanted smells at bay. These easy-to-use Drop-INs are pre-measured and safe