RV antifreeze in BW tank
I know there is a lot of info here about winterizing. However, i have a specific question I can't find answer to. I just winterized my TT. We still had about 4-5 gallons of water in the black wa...
Forum Discussion
wbwood wrote:Terryallan wrote:
For your black tank. Remember water expands when it freezes. So ask yourself. Will 5 gal in a 40 gal tank expand enough to fill over fill the tank with ice? Answer. NO. so flush is as normal, and leave the 5 gal in it to prevent the dreaded black tank dry syndrome. And don't worry any more about it. I have always left 5 gal in the black tank. No problems. There is plenty of room for expansion.
Was told the same thing by our dealer who winterized ours last year. They stand behind winterizing it 100%.
would anybody pay a firm to winterize their RV with only a 90% chance of it being adequate? well we think it will work?
bumpy
