These pre-packaged water-soluble drops keep your black and gray holding tanks odour-free and functioning smoothly. Each dose treats up to 40 gallons and works by breaking down waste and toilet paper while lubricating tank valves and seals—no mixing or mess required, just drop in one packet after pumping out.

Formulated without formaldehyde, the biological-action formula is biodegradable and environmentally responsible. The convenient individual packets eliminate measuring errors and spills, so you can focus on enjoying your RV rather than managing tank maintenance.

• Biological treatment—formaldehyde-free
• Pre-packaged water-soluble packets for portion control
• One packet treats up to 40-gallon tanks
• Set of 10 treatments per package
• Breaks down waste and paper, lubricates valves
• Clean linen scent