i got a 500r running right now,with a digi thermo on it, this thig works good for me a while heck i even have it on my incubator right now and its holding as good as my buddys herpstat, but i have it all set up different, anyway, when i did run it on my uth i just duct taped the thermo probe and the 500r probe together and then duct taped it to the uth, no problems ever, other than when u take the tape off its gooeyoh yea and remember that last step........relax. oh and as far as bigger tubs for small snake put some hides in that mug bug and rocks and junk make it small lol
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