Sounds like you did the right thing. I put rh beads in both, my humidor and tupperdor, right after seasoning them and have had no problems. So I don't see why you shouldn't be using beads now. I never used the foam sponge because of all the reading I did on how prone they are to mold growth. I would wipe down the humi that had mold on it and air it out before putting cigars back in it. And I assume that you checked the sticks in that humi for mold.