I got it from a Dutch petshop but I managed to find an Amazon link for you :)
I have the XL version, it's really strudy and the water warms up quite nicely under the heating light. My boyfriend calls it her Jacuzzi
https://www.amazon.com/Zoo-Med-Reptile-Corner-Water/dp/B000QFVYOA?th=1
We use these to up the humidity its a fine mist and the snakes dont mind...as much and a regular spray bottle
Very welcome! As long as you are utilizing 100% silicone product, you will be fine. Avoid any that have mold Inhibitors or other additives. GE Silicone I is the preferred, but my Amazon search showed they only sell in bulk. Below is a link to an aquarium safe one.
Get the book a passionate journey with short tailed pythons by Rich Crowley amazon link
I typically dont run belly heat on enclosures, but you can. Just need a thermostat with 2 probes. humidifier. You can dial the output out pretty good. Then get a inkbird humidity controller