I discovered this site a few months ago when I was checking out old kickstarter projects. The DIY is awesome and so thorough! After studying it for a few days I went out to gather my materials. Put this bad boy together in an afternoon. I had some problems with the air needle blowing bubbles out of the hose at first, but it seems to be working fine now. Here it is!
I am really happy with how it turned out. Can’t wait to get started on a second column! I made sure to get the 4 way pump so I can expand