Zoo Med Hermit Crab Heater 4 Watts

I have a small plastic tank around 3 gallons and it keeps it about 3 degrees warmer than the house. The directions tell you if you have a plastic tank to stick it on the side as opposed to underneath. My reccomendation if you are going to put it on the side is to position it more toward the bottom of the tank. I stuck mine towards the top and I think a lot of the heat escapes. Overall its a good investment especially if you live in the north east.

This heater attaches under the tank and keeps the area of the tank warm so that your Crabs don't get to cold. You can feel the heat come up through the sand and uses very little electricity.

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I've had this for a long while and the heat doesn't travel through sand as well as I hoped, so if you put in on the bottom you'll see you crabs digging to get to the warmth. I have mine on the side for those that like to dig and those that like to stay above and enjoy the rest of the crabitat.

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Bought this for son's hermit crab habitat, figuring that this would keep them warm enough. It barely even warms the surface it is attached to. Also, the manufacturer warns against removing the heater once it is stuck on a surface since removing it can cause damage to the heating elements. I ended up ordering a heating unit the next size up and now the forecast in the container is a balmy 76 degrees.

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The heater works fine. It puts out a small amount of heat just enough to raise the temp in the hermit crab cage a few degrees above room temp. Works well on plastic type of crab cage.

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