I've been using cork bark for my turtle's platform without any problems for past two years. Now, for whatever reason, he keeps biting chunks off. Which clogs the filter and causes bits to float around. I can deal with that but I'm worried he's going to start eating the floaty bits.
Has anyone had this happen to them? What did you do, other than change the platform? I want to do that but can't figure what to rig up. My turtle is very heavy and tends to try to stand on his platform a lot.

