Hey,

I just recently got my leo off the sand and bought him some tile for the flooring. The tile has no glaze on it, and is a more natural clay-like tile. The ceramic light is 100 watts, and I was wondering if there was a danger of the tile over-heating like a heat rock and harming the gecko.

It shouldn't as long as the ceramic heat emitter isn't too close. The problem with the heat rocks is that it will short out and one side will stop working while all the heat goes to the other side. A good idea would be to put your heat emitter on a thermostat set to the appropriate ambient temp. As long as the ambient temp isn't too high the surface temp at the bottom of the tank should be fine seeing as how heat goes up...

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The only way to know for sure is to put the probe from your thermometer on the spot directly under the heater or use a temp gun and measure it.
Hot rocks generate heat themselves while the tile will only absorb the heat from the unit.

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Merlin,
What's Life Without A Little Magic!

Tiles I have never tried. I know that slate I've used for Uros gets extremely hot. One temp reading I got off it was over 200

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Mike