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Old 05-16-2014, 08:55 AM   #1
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Join Date: May 2014
Posts: 785
Black water holding tank cleaning

Hello everyone,

im new to pop up camping well with a toilet, picked up a 2014 rockwood hw276 which has holding tanks, my question is i hear the black tank is above the floor so i was wondering how or if a Tornado permanent tank rinser can be installed? Don't want to put the trailer up at the dump to use a wand and i've heard the hydro flusheres break. thank you for any help.
Tornado Permanent Tank Rinser

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Old 05-16-2014, 09:11 AM   #2
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Join Date: Aug 2012
Location: Roanoke, VA
Posts: 233
You are correct, the black tank is above the floor, and directly beneath the toilet and covered by the plastic shower surround. The only solution would be to carefully cut a round hole with a hole saw in the flooring from underneath to expose the tank, and then install the tank sprayer. I myself have not attempted this, but might consider it once I have grown tired of bringing the camper home with a less-than-clean black tank.


Bob & Doris
Roanoke, VA
2009 Toyota Tundra CrewMax 4x4 - 5.7L - 6 Speed Auto - 4.30:1
2013 Rockwood HW296
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Old 05-16-2014, 10:07 AM   #3
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Join Date: Dec 2013
Posts: 19
we have the Rockwood 296hw and each time we have used it we empty the black tank into our totum just before closing the camper, that way we can flush cleam the black tank before it is closed and we don't have to carry any leftover liquids home with us. We have the 35 gal tote and it does the job for us since the tank only holds 12 gal.
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Old 05-16-2014, 11:37 AM   #4
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Location: Catonsville Maryland
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Or just avoid it altogether ��, we do not use the toilet or the shower and I chose not to deal with dumping the black tank. we use the campground facilities. the bathroom makes a great closet btw. In fact after 4 years with our hw277, the plastic wrap is still on the toilet.
HTT: "EscapeII" 2016 Shamrock 23WS (current)
PUP: "Escape" 2010 Rockwood HW 277 (gone)
TV: "Bruce" 2011 Dodge Durango V8 Hemi Crew
Just us gals (me, Sis and our daughters)
We spend alot of money to go sit in the woods
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black, black water, tank, water

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