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How to Heat Tarantula Cages

It's easy to keep a pet tarantula happy. Put it in a small, secure enclosure, feed and water it every few days, and make sure it doesn't get too hot or cold. If your home stays at room temperature all year long, you don't have to worry much about providing heat for your tarantula. But if the temperatures dip below 70 degrees Fahrenheit during the winter or at night, you will need to provide the spider with its own heating source.

Things You'll Need

Reptile heating pad with thermostat

Instructions

- 1
  Purchase a reptile heating pad that will fit inside of your tarantula cage. Make sure it has a thermostat.
- 2
  Put the heating pad inside the cage. If your tarantula is a ground-dwelling species, secure the pad to the side of the cage or underneath the lid. Don't put the pad on the bottom of the cage, because ground-dwelling spiders tend to burrow into the ground and they get too warm.
- 3
  Put the heating pad on the bottom of the cage, either under the cage or inside the cage underneath the soil or bedding, if your tarantula is a tree-dwelling species. If you are not sure what type of tarantula you have, secure the pad to the side of the cage to be safe.
- 4
  Set the heating pad's thermostat to between 70 and 75 degrees. If you know the tarantula came from a hot climate, set the thermostat to the upper 70s.

Insects & Science