kenjh
2009-10-27, 02:00 AM
has anyone here have ANY expierance doing boat holding tanks? around here ther is no standard that I can see is there a way of pumping out the tanks without the danger of colapsing the holding tank ,how would I check to insure they have an adaquate vent ? I hear all the things I can do wrong and none of how not to mess up. is there a book I can get to start with?? and what kind of insurance should I have??