My UTH pad rocketed it up to 168 degrees one time, melting the plastic of the 20L tank frame and cracking the glass.
I returned it and bought the heating cable and 4 1000W thermostats.
[I'll never own another UTH pad...that wasn't the first one to 'go weird' on me]
If Iggy had just happened to be in her warm hide when it spiked, it would've killed her.
Luckily, she wasn't....or she'd had the sense to avoid it.
IMO, thermostats, IR temp guns and good digital thermometers/humidity monitors are absolutely, positively essential with no exceptions and of paramount "priority".









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