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Commando Black Holding Tank Treatment, 40 packets per Bulk Tub


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