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Old 08-03-2015, 08:37 PM   #11
Phat Phrog Stunt Team
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Join Date: Aug 2011
Location: Iowa
Posts: 34,205
Water, water and more water!
Black tank valve closed untill full!
Dump black first then grey behind it.
If we have full hookups we fill the bowl almost full when flushing.

08 duramax tuned n modded
2011 32bhok Sabre
2015 camping "24 nights"

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Old 08-03-2015, 08:37 PM   #12
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Location: Ontario, California
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Calgon I believe is one brand of water softener. I use some fabric softener and a bunch of cheap anti bacterial liguid dish soap with 2 or 3 gallons of water, before we hit the road. Then add normal tank chemicals at camp. Never have a problem

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Old 08-04-2015, 05:30 PM   #13
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Join Date: Aug 2014
Posts: 85
Originally Posted by Ken Halloran View Post
Thought I had same problem - not so - dealer confirmed. These shallow long holding tanks need special care - lots of water. 5 full toilet bowls to start new tank - capful of water softener - capful of liquid detergent - chemicals. Dump when full (visually - not light indicators). Haven't had a problem since using this regime.

Seems waste likes to pile up at the entrance point from toilet - water keeps it moving. Water softener makes walls of tank slippery. Detergent helps keep the crud out.

Good Luck. Ken

Thanks Ken

I am out with no sewer hookup and thought we were full however gauges showed 2/3. Looked down in there and with a stick and flashlight found how shallow that tank is. I will try the soap etc. makes sense to me

Rockwood 8311ss
Pro Pride 3P hitch
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Old 08-04-2015, 05:34 PM   #14
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Posts: 85
Anyone know how much the tanks hold? My model is a rock wood 8311ss. 2014 year.
And how many flushes is that good for. Just about need a flush counter!

Rockwood 8311ss
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black, black tank, show, tank

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