Originally Posted by harrinc
Just wondering how long is the longest time that went by before you emptied your black tank?
There are going to be a lot of variables in how long it takes to fill up a black tank. Different campers have different size tanks.
There is the size of the tank itself (how many gallons does it hold), how often are 'deposits' made (which can vary greatly depending on your choice of meals), how many campers are making deposits, the size of the deposits, and the amount of water used to flush with.