Blue water in black tank - does it freeze?
We bought our camper in the spring and have not put water in it at all. The black water tank has some blue water in it from the previous owner. It's cold now. Does that blue water have any anti-fre...
Forum Discussion
mkirsch wrote:
Unless the tank is right full where the water has nowhere to go when it expands it won't cause a problem when it freezes.
The freezing temperature of blue water is lower than regular water but nowhere near as low as the pink stuff.
You may find your dump valves frozen solid and will not move till thawed if water is in your waste tanks. This is not a problem if you plan to wait till Spring to use the camper again or you have access to the valves with a hair drier.
