HCA: Hermit Crab Association

My thermostat is dead, the temperature in my crabitat is 61F. My crabs are freezing. I tried putting full batteries in the thermostat and it didn't work. What should I do? Thanks a bunch.

I took the top off of the crabitat and somehow managed to raise the temperature to 63F. But that means I'm giving up humidity for 2 extra degrees of warmth which isn't a good compromise.

Can you disconnect the thermostat and just run your heat source, watching closely to keep an eye on temps? Or is it all in one?

Actually I think it's all in one.

Are you able to go out and buy a cheap heat lamp and heat bulb? Or can you put a bottle or 2 of hot water in the tank and wrap the tank with a blanket to trap the heat in? Maybe a space heater you can aim at the tank?

Try microwaving (?) rice or wet towels and wrap those around the tank, then wrap other towels around those to insulate it. You could also try getting a small heat bulb and using that. I guessing the tank isn't this small, but when I was trying to move mine out of the kritter keeper I used a heating pad to keep the temp up. And Walgreens/cvs sells little heat packs for injuries, could those help?

Even an electric heat blanket or pad can substitute.


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If you have a regular desk lamp, you can point it at the crabitat to bring temps up some. At least until you can run out and pick up a new heat source. All the other ideas are good ones too.

For temporary heat, you can either use an electric blanket (as previously suggested) or create a makeshift one by heating up something that holds heat fairly well (rice, gravel, wet towels, etc.) and throwing that along with the tank under a heavy blanket to hold heat in. You would have to do this every few hours though.