Clean your tanks and removes waste buildup, overnight!

Commando Black Holding Tank Cleaner is a safe and natural cleaning product for portable restroom trailers’ holding tanks. This eco-friendly product will go to work on your trailer’s holding tank by dispersing billions of healthy bacteria that break down the waste buildup that causes odors – and Commando does the job overnight!

Treats your black holding tank system with an all-natural enzyme cleaning treatment in as little as 12 hours.

• Effective waste digestion & sludge removal
• Easy to use dissolvable packet
• Septic tank safe
• Formaldehyde-free