Blackwater tank
Hello all, new here and got some bad advice to keep my black water tank open constantly while hooked up at campground. Now I know otherwise. What can I do to get the contents of the tank broken up to ...
Forum Discussion
During typical winter storage, the tanks are 90% air and 10% liquid (at most).
Water expands 2.2% on freezing. Bad in a closed bottle or pipe, but...
The tank is now 97.8% (compressible) air and 12.2% ice. Even if the air were not vented through the roof, there would not be enough pressure difference to hurt the tank.
NOTE: This is only about tanks during normal storage; not full tanks, water heaters, pipes, toilets, or faucets.
Another solution is to move to Florida, park it in the back yard, and forget about winterizing.
Water expands 2.2% on freezing. Bad in a closed bottle or pipe, but...
The tank is now 97.8% (compressible) air and 12.2% ice. Even if the air were not vented through the roof, there would not be enough pressure difference to hurt the tank.
NOTE: This is only about tanks during normal storage; not full tanks, water heaters, pipes, toilets, or faucets.
Another solution is to move to Florida, park it in the back yard, and forget about winterizing.
