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UTH help?

Skully23

Experienced
Well lately I have been working on setting up a tank for two new snakes. I have the 2 UTHs in place and have had them on since yesterday evening.

I had a problem yesterday of them staying down in like 73f. So I took cardboard and placed the cardboard under the tank to resemble a surface. My tank is 40L so I have two stands on each end holding it up. So the middle has nothing underneath. Since I placed the cardboard the temps went up to 77F. Well Tang is my female corn who has her UTH readying 82-84F while the others read 76-78.

What do I do to get them up over 80f?

I use a $10 dimmer from Home Depot. The three UTHs are ZooMed’s 10-20g from lllreptile. I am using digital thermometers to get the readings. I plan to buy a thermostat soon. The bottom of this tank is mirror instead of glass. Tang has glass…if this helps?
 
Unless the setups are exactly the same, you do risk getting different results in each when sharing a heat regulator between them. In your case, one tank has a mirror base and the other is glass. The plain glass one will conduct heat better, hence I suspect the higher temp.

You either need one dimmer per tank, or you need both tanks to have the same base construction. The setups really do have to be identical.

Here are some double-checks you can do on the basics:

- I'd advise testing both UTHs without the dimmer to make sure they're working properly. They should get well over 100 degrees.
- If that happens OK, then run one UTH on the dimmer and see if that gets to over 80 that way. If it doesn't then the dimmer isn't going to work with that make/model of UTH.
- If both UTHs individually get over 80 degrees when the dimmer is used with each individually, then the dimmer isn't up to the job of running two UTHs at a time and you need the stat.

But I think you'll find the main factor is the mirror tank base vs the plain glass tank base.
 
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