I was originally using a section of 3/8 pipe, with some more aquarium tube around the needle so that the air came out about four inches up. That just sputtered a lot and made literally one drop every several seconds. I left it on for half an hour and only half the pebbles in my [...]

I don’t really have anything substantial to say, but, congratulations on your new farm!

My setup would break even your grid system. I’m using a stack of fat jugs (since nobody I know really ever buys plastic bottles) and each is split into two sides full of pebbles. Later on, I’ll have skinnier jugs in my stacks that only have one plant, and possibly fatter ones with three containers [...]

Cool, now I know what a physallis is. Thank you both for your answers. It sounds like most of the plants I want to start with are likely to work, which is really good news. For heavy fruits, my plans have changed and I think I’m going to be building this thing into some actual [...]

I’ve never seen them in person either. Just use whatever kind of bottles you’ve actually got on hand. (It’s hardly “reused” or “recycled” if you went out and bought it for the purpose.) The only problem you’ll run into with a different size is that the little baskets in the kits won’t fit, and even [...]