Hello,
GREAT you got a new UVB tube ordered. You ordered a Reptisun 10 flourescent tube bulb, correct? Remember for future purchases, the flourescent tube bulbs need to be replaced every 5-6 months for them to maintain optimal UVB emissions.
That is probably why he was eating the calcium powder because his body was craving it & not absorbing it very well.
How is he doing now?
The UVB tube needs to be 6-8 inches from him, & placed directly beside the basking light so that there is a focused basking spot with heat & UVB all in one area for him.
Tracie