A light dimmer on a UTH only limits the power output and slows the time it takes to reach it's hottest temperature. Dimmers are mostly recommended for use with lamps where turning it down actually does mean lowering output from the lamp. And when you get s thermostat you will place the probe between the UTH and the glass bottom. And you will set it on whatever temp is necessary to achieve a hot spot of 88-92 on TOP of your substrate. A cautionary note: do not set it higher than 95, if your ball python decides to burrow closer to it and it's that hot you will likely get a burnt snake. If you find yourself needing to set it that high or higher to achieve the right hot spot then you need to reduce the amount of substrate you have down to a half inch or less. I recommend searching on Amazon.com for the HYDROFARM THERMOSTAT. It's low cost and it works. Many BP.NET users have them, beyond that a reptile specific thermostat is kind of expensive. Any other questions?
TheSnakeGuy
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