Quote:
Originally Posted by bat119
If it was already frozen solid why not wait till spring?
I don't think it would cause any damage unless it was full although I've never left much in my black tank over winter.
Getting a 25 gallon poopsicle unfrozen with no shelter could be tough.
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The contents of the tank aren't frozen (I don't think) just some slushy stuff on the top. I'm just worried about wrecking the tank and piping if I leave it in all winter. With the temperatures expected, I don't think the ratio of antifreeze to solids/liquids is enough to keep it from freezing and expanding with extended cold temperatures.