Originally Posted by travellerw
Has anyone ever had a seawater inlet hose permeate?
It's really not THAT unheard of. The environment
inside a hose is anaerobic...sea water
is full of bacteria, micro and not so micro animal and vegetable sea life that, when left to sit, die and decay, STINK. That stagnant sea water
stinks when the toilet is flushed for the time after the boat
has sat..it's no different really from sewage left to sit in other hoses...so why would sea water inlet hose be any more immune to permeation than the head
or tank discharge hose?
In fact, the inlet hose (and the holding tank
vent line too) can be even MORE likely to permeate 'cuz owners and even builders try to save a buck by using clear water hose or really CHEAP
flex PVC from the hardware
instead of sanitation hose. Shields or Trident #148 should be resistant enough if you flush out the inlet line before the boat
can sit....Simplest way to do that is by teeing the head
intake line into the head sink drain line so you can just fill the sink with clean water and flush the toilet. (Those are VERY INcomplete instructions...I've posted useful ones here enough times that you should be able to find 'em).