RHINO HOLDING TANK CLEANER DROP-INS 6/BAG|41560

Made in the USA: Product is proudly made in the USA Safe for all septic tanks Black Water Holding Tank Treatment: Contains a powerful enzyme complex that helps clean your holding tank Keeps Tank Sensors Functioning Efficiently: Just (1) Drop-IN treats up to a 40-gallon tank Note: For best results, use one Drop-IN every three months Quantity: (6) Drop-INs Safe for All Septic Tanks: This product does not contain pesticides, biocides or the toxic formaldehyde-releasing ingredient bronopol