he is going into shed mode, so make sure your humidity levels are up aroun 70-80 percent. Misting may be needed to bring this up. And yes start bringing the levels up now. Most bp's do not like to be handled while in shed mode because it already is causing enough stress. So let it do its thing. Does he have a humid hide setup? this is easily done by placing a sponge in his hide or attaching it to the top.