Camco’s Rhino RV Holding Tank Cleaner Drop-INs contain 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 for all septic tanks. This product does not contain pesticides, biocides or the toxic formaldehyde-releasing ingredient bronopol. For best results, use (1) Drop-IN every three months. Includes (6) Drop-INs. Made proudly in the USA. Camco makes quality products for RVing, boating, camping, towing, tailgating, and grilling that help you take your passion for the outdoors to the next level. Black Water Holding Tank Treatment: Contains a powerful enzyme complex that helps clean your holding tank Black Water Holding Tank Treatment: Contains a powerful enzyme complex that helps clean your holding tank Safe for All Septic Tanks: This product does not contain pesticides, biocides or the toxic formaldehyde-releasing ingredient bronopol; Safe for all septic tanks Quantity: (6) Drop-INs; Made in the USA: Product is proudly made in the USA Note: For best results, use one Drop-IN every three months
