Your Mileage May Vary (YMMV), but after printing this I cut a piece of silicone rubber in the size of the end of a bottle, cut a little hole in it and then this worked well. I made it leak proof! Without this, the water would seep up through the thread of the bottle.
Creators of the first 3D-printable hydroponics system & believers in innovation through collaboration. We're working on building the best, most efficient 3Dponics system--will you help!? Down the free digital files for the 3Dponics parts, and jo...