I have a boat that has a head, but it only disposes to the outside of the boat. It was never installed with a holding tank. So this winter, I will probably install a holding tank.
I have found an article on the KiSS system where the holding tank is above the water line and when evacuated, really doesn't hold any sewage.
But, I was thinking of going a step further....
Has anyone ever heard of a removable holding tank? One where I can just unplug it and take it to the nearest land based latrine?
I have heard about porta-pottys. I may end up with one, but for some reason, I think I would prefer a real toilet. (I guess that means I think the foundation of the boat is the head? or I have a toilet fixation.... I just realised I need therapy....LOL)