Its the growths that are in a vacuum that you really need to watch out for. (Anaerobic?)
Most in camelbaks and whatnot have access to oxygen. Im not saying that all growths with oxygen supply are safe but i think theyre safer (i.e your chances are better of it being ok).
Most in camelbaks and whatnot have access to oxygen. Im not saying that all growths with oxygen supply are safe but i think theyre safer (i.e your chances are better of it being ok).