After addressing the venturi challenge, I was able to get the second chain of recycled bottles for the drip aquaponics system set up:
It ran all weekend without a hitch, and the science fish seem pleased. I’ve planted the bottles with cuttings of mint, oregano, yerba buena, and lemon balm, and hopefully they’ll all root.
Pingback: 3D Printing Tinkertoy-to-Lego Interfaces for Early Childhood Education – FLC Innovation