I'm getting a 4x2x2 PVC enclosure that I will be setting up for bioactive. It's for a Brazilian rainbow boa, so the humidity will be very high.
My question is this. Should I be running fans to keep the air from getting stagnant? And if so, how many? I was thinking either 2 140mm or 4 120mm. Regardless of what is done, or not, it would run in a push pull arrangement.