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
No that blue water will freeze. Usually not an issue because it has plenty of room to expand in the tank and shouldn't cause any damage. Best is if you can drain it and add some pink stuff.
