Great choice. They are #1. Anyone that says a T10 is to big for a Ball python doesn’t know what they are talking about at all. I have 2) T-12’s for my Balls. They are around 2000 grams and 4’ long. I got them because Its easier for me to clean with a higher ceiling and larger doorway but the T10 is great, id never go smaller than Great choice. As far as accessories I have everything you mentioned except belly heat. No need for it with Bobs Pro Panels. I run a “Herpstat 2” for my 150 watt panel. Its on 80% and gives me a hot spot of 91/92 and cool spot of 80.
The only advice id give you is do not go smaller on the panel, its better to have more than you need than not enough incase your home gets cool or furnace breaks during winter. If the panel is more heat than you need you just adjust the output on your Herpstat up to 100% power.
If your home is 60-70 degrees in the cold months go with a 120 or 150 watt even if Bob says you can get away with the smaller one which was 88watt but he changed it to 100 now I think. Better safe than sorry.
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