Never played the bodhran. BUT I do have a tip for yuz. When I was in Bahrain I saw the locals playing an instrument which was 'identical' to the bodhran, they called it a tabur (which might have been a generic name for drum).

To tune their instruments, they crumpled up some newspaper, set fire to it and skillfully dried out the skin in the flames.

So next time you're playing in a bar and your bodhran goes soggy, just go on over to the fireplace.....