Instafresh Holding Tank Treatment – Fresh Pine Scent – 8 oz *4-PackControls holding tank odors and gassing while keeping tank walls and drain lines clean. Designed for all RV, marine, and portable toilets. The formaldehyde-free formula lubricates drain valves to prevent sticking and can be pumped out at any dumping station.Features:CONTROLS ODORS AND GASSING – Helps manage unpleasant odors and gassing in holding tanks for a more comfortable environment.BREAKS DOWN WASTE AND TISSUE – Formula breaks down waste and toilet tissue to help maintain a cleaner tank and reduce buildup.LUBRICATES DRAIN VALVES – Keeps your holding tank system functioning smoothly by lubricating drain valves, extending the lifespan of your plumbing system.FRESH PINE SCENT – Enjoy a refreshing pine scent to help freshen the air and reduce unwanted odors in your RV or boat.32 OZ BOTTLE FOR MULTIPLE USES – This large 32 OZ bottle provides enough treatment for multiple uses, offering great value and convenience for frequent travelers.FORMALDEHYDE-FREE FORMULA – Designed for effective waste management without the use of formaldehyde.EASY TO USE – Add the recommended amount to your holding tank, and let the treatment do the workno complicated procedures or tools needed.SUITABLE FOR ALL TANK SYSTEMS – Versatile and compatible with all major RV and marine holding tank systems, making it a reliable choice for any vehicle.TRUSTED BRAND – STAR BRITE is a trusted name in marine and RV maintenance products, known for delivering high-quality, effective solutions.PREVENTS CLOGS AND MAINTAINS CLEANLINESS – Regular use helps prevent clogs, ensuring your holding tank stays clean and odor-free, reducing maintenance time and effort.Directions:HOLDING TANK SYSTEMS: Black Water: Use 1 fl. Oz. For every 5 gallons of tank capacity. Pour through toilet into holding tank and add 1 gallon of water. Hot weather and long retention times may require additional treatment. Grey Water: Use 1 fl. Oz. For every 10 gallons of tank capacity. Pour through shower or sink drain and add 1 gallon of water. Specifications:Type: Bilge & Holding TankBox Dimensions: 4″H x 5″W x 7″L WT: 2.55 lbsUPC: 071247994766