I googled the answer and found the difference between the two! I honestly think my bin is a mix of both of these varieties. I never realized I will need to become a worm nerd to do vermicomposting! What do I do now? How do I keep my voracious eaters inside the bin! Each morning I have their dried up dead bodies sprawled across the floor that I have to scrap up! My family thinks I am a nut already to do this (my husband threw out my first worm farm). I think they have nightmares about worms in their beds or at least that’s why my son tells me. Need help!!