All of those round analog thermometers are unreliable. Digital with a probe is the only way to go. I wouldn't recommend getting the repti-fogger things. It's an unnecessary investment. They're made for more jungle/rainforest type herps. As far as your "permanent home" for a full grown python, a 40 gallon terrarium seems to be standard for most enthusiasts. Some will say it's too big, but it's only as big to the snake as you let it be. Fill it with all kinds of greenery, trees, leafy garland, hides, and a big water dish, and you're 40 gallon will be a perfect home. Here's an example. This is my 20 gallon long . Almost 50% of the floor space is taken. Still lots of shadows, corners, and hides on the hot and cool side. The tank is big, but the snake never feels over exposed and prone to stress.
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