Sub-freezing weather and Exposed Tanks.
We are about a week into a three week fishing trip in Montana. We are currently in Missoula. Night time temperatures are forecast to be in the low 20's all next week. Our black and gray tanks a...
Forum Discussion
You will probably get varying answers, but I think you will be fine as long as your motorhome is kept heated, and the daytime highs are above freezing. I've camped many nights in the 20s with no antifreeze and had no issues as long as the unit was kept warm. Also, the fuller the tanks are the more they will resist freezing.
