The dreaded potty burp, can't eliminate it
Long time RV'r and have dealt with the potty burp before but this time I can't figure it out. Interestingly the pipe connecting the toilet to the tank would sometimes back up implying a 'pyramid'. I w...
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I'd also try cleaning the tank back to factory fresh, factory clean by using some Liquid Drano and seeing if that helps. Will need to drive a little to make it slosh around. A thorough flush & clean every time you dump may help using an in-tank flusher, wand and/or backflush elbow. You might try taking a hose up onto the roof and putting water down the vent pipe (with valve open) and seeing if it backs up.
We used to have a problem with a pyramid at first until we figured out we needed to add a few gallons of water before using and doing a good flushing/cleaning job before heading home after a weekend trip. Our toilet pipe drops straight down into the tank and is very short. We also use Liquid Drano once or twice a year and it doesn't attack plastic or metal (including seals).
Some tanks are simply harder to dump and flush due to their size, shape and outlet location on the tank and take more effort to clean regularly.
We used to have a problem with a pyramid at first until we figured out we needed to add a few gallons of water before using and doing a good flushing/cleaning job before heading home after a weekend trip. Our toilet pipe drops straight down into the tank and is very short. We also use Liquid Drano once or twice a year and it doesn't attack plastic or metal (including seals).
Some tanks are simply harder to dump and flush due to their size, shape and outlet location on the tank and take more effort to clean regularly.
