Hey call me I have a small QT tank you can have with hot filter,light, heater, sand and live rock to give them security. I want to give you this if you want it. I think it will fit under your tank. Sorry she died. I wish I know how to get them pass 3 weeks. I have lost mine and it is very sad. I wont try them again. Call me if you need anything else. Your are a good friend and person so lmk.