I always put the probes on the tape for a few reasons one being if it is in the container not on the tape and you set your theremostat for 90, your theremostat is going to keep pumping till your cage is 90 which will make your heat tape much higher. I have seen things similar happen before and it was always an era with the theremostat, i am not saying it cant be the heat tape but I would lean towards the theremostat. What kind of theremostat are you using? Certain ones work different ways, we use helix b.c it pulses and can read higher temps and display error signs, some do not work this way and supply constant heat waves instead of pulses, if the probe falls out or is moved then the theremo is going to work extra hard to get that place to what ever you have it set at, if the probe is out of the cage (just an example) the tape wont shut off b/c the rooms temp is not , lets say, 90 yet. Just my experience and thoughts.

Sorry about your loss.

Kim

N.A.R.C

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