I've got a bit of a problem storing my tanks. My housemate's have effectively evicted them from the living room, which leaves me with a choice of a) outside in a closet or b) my bedroom. I usually keep the tanks filled so I can dive when the shop isn't open, so I'm a bit sketched about keeping them in my bedroom, but I'm concerned about humidity and solvents in the outdoor closet (degreaser, motor oil, etc). My tanks are an AL80 and a painted LP72.