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Old 11-24-2013, 12:37 PM   #1
K&Gs3400RL
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Black Tank Gurgles

Even after draining and back flushing, Our toilet still gurgles when we flush it like its full. I flushed it so many times the gauge is working again. [ ] What else could cause it?
 
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Old 11-24-2013, 12:40 PM   #2
K0LCB
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My guess is your vent is clogged
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Old 11-24-2013, 02:24 PM   #3
K&Gs3400RL
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Quote:
quote:Originally posted by K0LCB

My guess is your vent is clogged
How would I check that?
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Old 11-24-2013, 02:26 PM   #4
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If you are able to move your trailer easily, you might try 5 gals water and ten pounds of ice in the tank and a little driving around. The ice will scrub the tank clean if there is some buildup there.
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Old 11-24-2013, 04:20 PM   #5
steelpony5555
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For a clogged vent get up on the roof with a hose and squirt water down the vent pipe. It helps to have some one below to listen for water running into the tank. Of course if it is clogged you will find out soon enough lol lol...
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Old 11-24-2013, 05:53 PM   #6
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It's pretty much got to be a clogged vent or the pyramid of poop. Can't think of any other possible cause. I'd start with the hose down the vent.
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Old 11-28-2013, 02:55 AM   #7
scott-pati
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Had a similar issue that had me on the roof checking the vent tubes. I wish I had my camera. It would have been very funny to post it. Anyway, took the caps off on 2 vents and found bright green tree frogs in there. I tried to save them, but they kept going down the pipe. Had no choice but to stick the garden hose down on them. That was on my old Monty.
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Old 11-30-2013, 05:52 AM   #8
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Water down the vent pipe seems to have worked.
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Old 12-01-2013, 01:06 AM   #9
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Agree, likely blockage
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Old 12-01-2013, 02:49 AM   #10
steelpony5555
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Hmmmmmm...bet them frogs weren`t green no more lol lol
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