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Old 07-31-2011, 01:56 PM   #1
Weekend Camper
Join Date: Apr 2011
Posts: 27

Spent our third weekend in our new 19rd and had problems with draining the blackwater tank. The zinger is at a campsite we have in IL. The tanks were kept closed till the end of the weekend when the gery was reporting full. On sunday the grey was showing full but the black was reporting empty. When looking in the toilet you could see water just about filling up to the bottom of the bowl while reporting on the display as empty. I went to empty the black and it ran for maybe 15 sec then stopped. If I closed the valve and waited a couple minutes a little more black would drain when I reopened the valve. The grey drained with no problem. We ran extra water into the toilet after each flsh and only used single ply Scott RV TP. TSP rv sewage treatment was added to the tank at the start of the weekend. It seems to me that I must have a partial blockage between the tank and the valve. Does this seem correct and if so what are my options?
thanks for any help
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Old 07-31-2011, 04:15 PM   #2
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Join Date: Aug 2010
Location: San Antonio TX
Posts: 293
Leave the drain open so the level in the tank will drop. After the tank slowly drains you will need to use a high pressure cleaning tool to try and free the clog. After I drain my black tank I fill it back up with clean water and flush it again to avoid clogs. After every 4 or 5 camping trips I run a hose inside with my cleaning wand to clean it out real good. I use the cleaning wand sold at Walmart for $10 its PVC with 4 holes on one end and a on off valve on the other.
2013 Ram 2500 4x4 pulling a 2014 Zinger ZF31bh 5ver.
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Old 07-31-2011, 07:37 PM   #3
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Join Date: Jul 2006
Location: Ms
Posts: 2,739
I when I had my Zinger I got a Flush King from Camping World. Once I got that I flushed after every trip and had no trouble

Frank and Janet Henn
2017 380MBH pushing a 2007 Dodge
CDT with a six speed Automatic
Traveling with Hoover and Rainbow the wonder dogs and now with Sunshine the rescue Schnauzer.
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Old 08-01-2011, 07:42 AM   #4
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Join Date: Dec 2010
Location: Goshen IN
Posts: 40
I just installed a black tank flush on mine. When draining the tank was empty but gauge would read 3/4 full. Gonna try it out at the rally this weekend.

2011 Zinger 32QB
2006 Silverado 2500HD
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Old 08-01-2011, 08:12 AM   #5
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Join Date: Sep 2007
Posts: 1,415

I use a black tank flush called turbo-flush and put in 5 gal. of water befour we use.
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