Quote Originally Posted by Charles8088 View Post
You can always install a backup thermostat to the primary, that would cutoff power if too hot. I think "too hot" is a bigger threat than "too cold", as if the heater stops working. But, either way, you can also put in an alarm that sounds if temps go outside some extreme parameters.

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Thanks! You mean also put the second thermostat's probe near the first one's between the container and heat mat? Also I was thinking will the bulge between the probe and the heat mat make the heat mat placed unevenly and makes the heat mat go wrong more easily? The probe of my Zilla thermostat is kind of bigger than other thermostat.

Also, do you know how hot the heat mat will actually go without a thermostat? Thanks!

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Quote Originally Posted by 303_enfield View Post
The above plus now WiFi alarms that will call your cell.

Good luck!
Thank you ! May I know what is that WiFi alarms? another kind of product? Thanks!