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Old 06-07-2014, 07:14 PM   #1
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Join Date: Oct 2012
Location: Ontario, Canada
Posts: 183
Empty black tank when TT is parked

I only de-winterized the TT about 1 month ago as we were still getting below zero at night up until that time. We have not taken it out yet either, just waiting for bug season to finish first!

Anyway, on our last trip the black tank was empty. I noticed after de-wintersizing that the TT began to smell inside, so I put some water in the black tank and a container of the orange treatment. Still there was a smell so I dumped in some more water and a 1/4 cup of bleach. The smell is now gone.

Am I correct in thinking that the black tank should never be dry unless parked for the winter?

2010 Starcraft Autumn Ridge 186BH
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Old 06-08-2014, 01:14 AM   #2
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Location: Clinton, MT
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We flush ours completely after each outing and of course for the winter.


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Old 06-08-2014, 07:26 AM   #3
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I keep 5 gallons of water with 2 ounces of holding tank chemical in mine between trips.
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Old 06-08-2014, 07:31 AM   #4
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I keep water and treatment chemical in mine year round. If for some strange reason winter made it to Houston, I would dump and flush it clean. I also keep a couple of gallons in the grey tank as well with treatment chemicals to keep smells form occurring.
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Old 06-08-2014, 07:42 AM   #5
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Location: Fayette Ridges of PA, USA
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We always empty the black tank and my DW "charges" it with a bottle of (Campa-Chem and about a gallon of water except if winterizing. Flushing (done before the above procedure) is done only if we anticipate the TT to be unused for two weeks or more.

This seem to have worked satisfactorily for the last 14 years for us.
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