Hello everyone! I am letting my daughters preschool class incubate some of my eggs and there are already issues with keeping humidity. I have hatched once before at the end of August and did not have any issues with maintaining a constant humidity so I was hoping to draw on everyone else’s experience to troubleshoot the problem. Here are the variables: - They have to move the incubator from class room to office because other people use the building and do not want it being messed with. It is on a rolling cart. when I hatched, it stayed in one place. - when I set it up yesterday it was at 50-55% humidity. When they arrived this morning, it dropped to 37.5. We did have a bit of a cold snap come through yesterday. We are in south east Texas. -I filled up the middle well completely and added a touch of water to the two next to it. By the morning, it was completely dry. I did this exact thing for my previous hatch and it wouldn’t dry out until a week later. I had the teacher fill up the three middle wells completely and wait 30 minutes for everything to adjust and the reading was still 37.5. - I also had one of the teachers take the hygrometer/thermometer out to make sure it was still functioning properly and it successfully adjusted to the external humidity and temperature. This is the incubator I use: https://www.amazon.com/dp/B07WZ89MT7/?tag=backy-20 I have the bottom styrofoam piece on the bottom which I did not do for my last hatch so was thinking of maybe putting a towel underneath. The air will still be able to flow as the openings go all the way to the front. I was also thinking of putting the top styrofoam piece on the top. I thought of also cutting up a sponge and putting it in the water wells to increase surface area. Are there any other tips and tricks I can use to bring the humidity up to at least 50%? Also, any suggestions for a temperature/hygrometer gauge that can be used so the sensors are inside but I can read it outside of my incubator would be appreciated Thank everyone in advance for your help!