DIY Passive Compost Aeration - Perforated PVC Pipe Inserted Horizontally - May 2020
Number 6 (#6) on my 2020 To-Do list in the garden this year was to add some passive aeration mechanism in our compost bin setup in the backyard. I have a three-bin setup (one active bin, one carbon storage bin, one nitrogen storage bin) and a 50 gallon tumbler. Last Fall, the active bin (on the left) was about half-full and I was storing the excess leaves in the carbon storage bin (middle) . Earlier this year, I posted some discussion about various passive compost aeration techniques - including one design with vertically installed pvc pipes and another with horizontally inserted perforated pipes. After poking around on the Web, I decided to go with 10' sections of 2" perforated PVC pipe inserted horizontally in the pile. My bins are 3' x 3', so I cut down 6 40" sections. Then, I grabbed my garden fork and started to dig out the active bin of compost to get the volume low enough to install the pipes at a level that would ma...