Foil will work as a short term fix and it is not flammable. The best long term solution is a large closed chamber. Like these:How do you maintain airflow in an enclosed tank? I bought an open reptile tank with the slide on top. I see above how I can cover that with foil to enclose it (including lamp? Is that a fire hazard?) I didnt do my homework before I was mislead and brought our little one home. I've only had it a few hrs and am trying to correct all of the mistakes I have already made. I feel like a horrible tort mom
https://tortoiseforum.org/threads/new-stack-of-animal-plastics-closed-chambers.165626/