Right now, for Texas this is early winter. Thus, the ambient temperature is lower in all my enclosures. All six of my snakes are on the cool side as usual.
Last winter my BP's enclosure dropped to 67 on the cool side. My adult BP stayed there without budging fo 2-3 weeks straight. I know this because I don't sleep more than 1.5 - 2 hours at a time and I check on my snakes very frequently.
I wouldn't worry, snakes know where the heat is.
Mack the Knife, 2 year old Coastal Carpet
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