Thanks for the help and links! I'll definitely look into them thoroughly! The plants belonged to my grandmother who passed away a few years ago and then they have been with my parents since. Next time I drive home I'm going to grab them and bring them back with me.

These cati belonged to my grandmother and have been on the same pots and "soil" for about 30 years. They are in desperate need of re-potting, but I don't want to mess it up. I have several cactus and succulents myself, so I'm somewhat familiar, but have not had to re-pott anything close to...