What size box do I use?

[MorphMaster]

Depends on the size of the BP

For hatchlings to sub-adult 12 x 9 x 6

I always put a few holes from 2 to 4 depending on the time of the year.

So if it's hot do you use more holes? Oh and at what temperature do you not need a heat pack. Like 85 to 95 or what