It's got a 100 watt bulb in it but it's a daylight bulb. The kit itself came with a heating pad and not a lamp. It is regulated by a thermometer and the temp is pretty even. 90-100 during the day and 75-85 at night. As for it being open, I put what I had in the tank. When I get paid I'm gonna get some more stuff to put in there as well.
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