Quote:
Originally Posted by Crookedread
I had a neighbor complain to me that his toilet really stunk. I was new to living in a trailer full time and so was he so I couldn't really help him. After reading the forums, I realized that he was leaving the black water open all of the time so the solids fell out of the fluids and were retained on the bottom of the tank. After flushing a few times the smell went away, or at least was reduced to expected levels. This is pretty basic but thought I would add to the forum for any newbies.
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We recently bought a 2013 Montana after owning a 2006 Outback for 5 years. And that tank was rank. With the Outback we'd flush the toilet and there was little to no smell. We never used any chemicals in the Outback. The Montana though was just nasty. I had an awful time getting the tank to drain the first couple of times. I put a clear fitting in so I could see what's happening. The second time it didn't drain at all after maybe 30 seconds so I closed it and closed the grey tank valve. I had visions of having to replace the black valve with a full tank.
I waited a couple days to get the grey tank fairly full and then opened the black valve and then the grey. I was trying to backflush the black tank a little to get the blockage moving. And it worked.
The Montana has a black tank back wash system. So after the tank was drained I put 10 gallons of water in it, valve closed and let it sit for 20 minutes. When I opened it, it was like what dumping a black tank is usually like as far as the solids that came out of it.
So I did it again with 15 gallons this time and another 20 minute wait. Dumped it and it still had a lot of solids and toilet paper. Then I put 20 gallons in and waited the 20 minutes and this time less solids, but still a pretty brown water. Did it one more time with 20 gallons and the water looked more like what you see coming out of the grey tank.
After all that I dumped the "geo mix" in the black tank and now no smell at all unless you leave the fan on when flushing. Huge improvement. Only thing I can think of is the previous owner must not have let enough water into the black tank or perhaps left the tank valve open when they were set up.