4.5417 5 24
Commando Black Tank Cleaner, 4 Pack
Item No. 87724
Commando Black Tank Cleaner, 4 Pack is rated 4.6 out of 5 by 27.
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Commando Black Tank Cleaner, 4 Pack
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Commando Black Tank Cleaner, 4 Pack

Commando Black Tank Cleaner, 4 Pack is rated 4.6 out of 5 by 27.
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Item No. 87724
$8.77 $11.79
Save $3.02 ( 26% Off )
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Additional Information
Advanced super-concentrated enzyme formula breaks down waste and cleans sensors.

Removes waste and paper from tank walls to clean entire tank in less than 24 hours. Package of 4, easy-to-use dissolvable packets—enough for a full year!
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  • Septic tank safe!
  • Pack of 4
  • Breaks down waste
  • Cleans sensors
  • Dissolvable
Unit Weight 0.36 lb
Brand Walex
MFG Part No. CMDOBG
Rated 1 out of 5 by from Didn’t work for me I have my Fifth wheel on a seasonal site. Camper is less than 2 years old, black tank sensor always reads 2/3 so I tried Commando...twice. Nothing. Followed directions, filled tank to top of sensors with clean water and dropped in a packet. Let sit for 26 hours, drained and still read 2/3. Filled tank again and drained thinking maybe a flush would help...nothing. Repeated again the following weekend...nothing. Only thing I didn’t do was hook up and drive down the road with full tanks but directions say this is not necessary. Have 2 packets left so will try both at once this weekend instead of discarding them.
Date published: 2019-09-30
Rated 5 out of 5 by from Tank cleaner This product works really well. I have tried to get the black tank sensors working for several years and all levels work now.
Date published: 2016-09-28
Rated 5 out of 5 by from The 4.5 star reviews were accurate. I thought at my age I knew everything. But I never knew that poop can turn to concrete in my holding tank after two years even after deep cleaning using the fresh water inlet every month. Because the tank appeared to be flushing completely semi-weekly, I didn’t realize a poop pile was gradually solidifying inside. One day, I open the drain valve and NO FLOW! A chunk of concrete poop must have broken off and blocked the drain opening. Thankfully, Commando Tank Cleaner re-liquefied it. I don’t even want to think about the alternative solutions ($$$$$)!
Date published: 2021-04-13
Rated 5 out of 5 by from You will need it. great product I have used before .
Date published: 2019-12-09
Rated 5 out of 5 by from Gets a rid of the worse stentch Bought a used RV and couldn't get rid of the stench to save our lives; even with regular tabs. Looked this up and seen good things so we have it a try and it worked miraculously. Filled the tank and dropped a tab in overnight; about 12 hours. Drained the tank the next morning and I've never seen water so black. After that the stench was gone for good
Date published: 2020-07-08
Rated 5 out of 5 by from Black tank cleaner review This product works great I have used it for a few years now and have recommended it to a few friends.
Date published: 2020-06-01
Rated 5 out of 5 by from Good to be clean Good price and work very well and easy instruction to follow
Date published: 2021-07-10
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Directions for use?

Asked by: Dave
This product is used only in the black holding tank. Said tank is to be emptied completely, 1 sachet is dropped in the tank. Then the tank is filled with as much clean water as possible, ideally over any blockage points, clogged sensors, etc. Let solution set 12 to 24 hours depending on severity of the issue.<p>Sensors are usually cleaned after 12 hours and blockages usually take 24 hours.
Answered by: cw_staff
Date published: 2020-09-07
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