Kombucha tea
Dreads and Diets
It's not hard to make but to make a portable system may be hard. Once you get your culture started you'll want to keep it going. If you move it you'll really disturbed the culture on top of the tea and you don't want to do that. There's a guy I know I can ask but I think it would be a pain with all the moving around. It isn't hard to start though