Tons of black granules appearing in snakes cage?? Help

[Bogertophis]

I think i will try and seal the driftwood to see if anything comes out.. I shook some of the cork decor and the only thing that came out was some dust, not a lot, but none of the black stuff either. Other than those I just have plastic hides and leaves.

If there are any beetles living in the decor, they tunnel into it & hang on tightly...I doubt you could shake them loose. Clearly your snake has "room-mates".