So I have a really nice bright orange Yuma that now has over a dozen babies. The babies have been there for 2-6 months, some are older and a little larger now. I have heard many people say they will let go within a month but it's not happening here. They are not attached to the mother and some have moved several incehs away now. There is also no chance in my removing the rock or chiesling it in the tank. Would a razor blade work in removing them or would scraping them away just kill them?