Theoretically couldn’t you secure it under the substrate with duck tape or something? Depending on the species and setup I don’t see it being a huge issue. Sometimes placing the probe between the uth and the bottom of the enclosure is difficult. If you’re on a flat surface and the probe is round it doesn’t work very well. To fix this you need “legs” on the corners of your enclosure. I definitely agree to set it up properly if you can although I think there are ways around it if you need. If you securely fasten it to the bottom and layer substrate correctly I don’t see a major issue. The main thing would be inaccurate readings due to the substrate but you could always make a “capsule” to secure to the bottom. Anywho.... I’m just saying if you’re careful and inventive I think there are ways to safely control a uth with the probe on the inside. For the most accurate reading though place it under the enclosure if you can. Hope this helps!
Sent from my iPhone using Tapatalk