HCA: Hermit Crab Association

yes, it is an air freshener. should i put it in another room? or is there a way that i can keep it in my room and still keep the crabs safe?

i recently purchased a reed oil diffuser, and it is kept in the same room as my crabitat. the tank has a screen top, but i also place thin books on top of the screen to keep in moisture. i didn’t even think about the crabs when i purchased it; they just slipped my mind. is it safe for my crabs to ke...