That's pretty cool. When I used to raise worms I gave them a feed I bought that worked really good. I had to specially order it and pay for shipping. This seems much easier to buy and use local feed. I bought a cheap blender/food processor at Goodwill that I use for all kinds of stuff like this. Also have a coffee grinder that turns those egg shells into a powder. Worms and gardens like that. Thanks for sharing video.