Odorlos Black Water Treatment, in a 40 oz self-measuring bottle, effectively prevents holding tank odors by providing beneficial bacteria with an alternative energy source, nitrates, instead of sulfate. This process eliminates the production of foul odors, keeping your RV or marine system fresh and odor-free.

• Easy self-measuring bottle for accurate dosing with no waste
• Safe for RV, marine holding tanks, and septic systems
• Only 1 ounce per 10 gallons required
• Works in extreme temperatures
• Breaks down waste and tissue, reducing clogs
• Eco-friendly, non-toxic, and formaldehyde-free