Walex Commando Black Holding Tank Cleaner (40-Pack)

  • By Walex
  • Model #CMDOBK


$67.50 SAVE: $12.51

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Use Walex Commando Black Holding Tank Cleaner for preventative maintenance in your portable restroom trailer holding tanks. The advanced super-concentrated enzyme formula disperses billions of healthy bacteria to break down waste build-up that causes odor. Restroom holding tanks can be loaded with dried, stuck on waste that cause stubborn reoccurring odors. This eco-friendly cleaning product attacks odor causing build-up fast and can clean entire tank in 12 to 24 hours. It comes in a bulk tub containing 40 easy to use dissolvable drop-in packets.

How to Use: Drop-in one packet per 100 gallons. Fill black holding tank to capacity with water. Let tank sit for 24 hours, then drain.


  • Walex Commando Black Holding Tank Cleaner
  • Bulk Tub of (40) Dissolvable Packets
  • Ideal for Portable Restroom Trailer Holding Tanks
  • Drop-in (1) Packet Per 100 Gallons
  • Works in 12-24 Hours
  • Super-Concentrated Enzyme Formula
  • Removes Waste & Paper Buildup
  • Restores Sensor Function
  • Lubricates Valves & Seals
  • Biodegradable
  • Biocide-Free
  • Formaldehyde-Free
  • Zinc & Copper Free
  • Septic Tank Safe
  • California Compliant

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