I am not sure but I think maybe a humidity gage may work I found this https:/www.bluelizardreptiles.co.uk/reptileheating/thermometers/097612300314?gclid=EAIaIQobChMIwq3Z4eDh5AIVA8DeCh1hbQGZEAQYDCABEgK91PD_BwE
Hi was just wondering if anyone has any advice on keeping hermann's torts. I was interested to know from other users and their experiences. I have several books but they are never as good as personal experience. Thanks in advance for help and suggestions. [emoji217][emoji4]