I'm thinking this would be an outstanding way to dispose of the endless supply of trash-pandas around our place as well as cull fish that aren't exactly eaters. No cost and nutrients aren't removed from the BOW, just repurposed back into it.

Now the trick is make it work for me. It's got to be easy and convenient, otherwise I won't make it habit. I've done several searches on the interwebs but not finding many examples, just a lot of "the old guys say to hang a carcass so larva drops into the water" type of statements. I'm thinking either a swinging arm or maybe a floater attached to a rope n pulley. + and - to either. Suppose I won't know until I build something.