black tank flush system question...
Hey all... Our new-to-us coach has a black tank flush system... connect a hose in the wet bay & it flushes inside the tank... the problem is, it is plugged... when I hook up the hose (after d...
Forum Discussion
How long to flush the tank? I usually let mine flush until the tank is 3/4 full then empty it and do it several times. It usually takes 10 minutes to fill to 3/4 but that depends on your water flow and I watch the tank level indicators really closely. This seems to keep the tank clean and problem free.
