I'd do LEDs in cages like Richard said. That is pretty dark imo. And the snakes would make use of the day/night cycle. All my boas boa but the most seen results are from my GTPs. When the lights come on for them, they both go to the back and curl up and sleep. Then about an hour before lights go out, they start to stir and when lights do go out, they make their way to the front of the cage and assume the hunting perch position all night. The boas are the same to a lesser extent. When lights go out with them, they come out from their hides or under the shelf and start cruising around.
My basement is brighter than that and i still use the AP LEDs(when they arent broken and i need to replace them lol).
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