Winterizing: Holding tanks dry or not?
I am sure this has been addressed to death, but I have done a search and can't find the answer. I am doing my first winterization (Pennsylvania) and I don't know if I should completely DRAIN my hol...
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I dump the tanks and then pump the pink stuff through everything and make sure at least 1/2 gallon or so gets down into the black tank. I also pour into all the sinks to make sure the traps are covered, and in the process I'm sure some makes its way to the grey tank. Never had an issue, and remember a little water sitting in a 30-40 gallon plastic tank isn't going to expand enough to cause a problem.
