in a different thread someone mentioned that lack of calcium can cause your tort to not flip back over too easily. when i went to the vet he was able to squeeze Captains shell and said it was a little soft dut o lack of calcium. Captain is always climbing something. a couple days ago he was trying to do pull ups on his cave and kept flipping over. he was able to right himself after a few minutes, but looked like he was struggling. he did this about 5 times in a 30 minute span. i turned him over the last few times becuase i didn't want him to stress out. should i remove his furniture that he climbs until his calcium level is back up?