It’s easy to assemble without tools, the top opens large enough to stir and aerate the compost (or dump in a whole watermelon), it keeps rodents out of your compost-to-be, it holds together well over time, and it’s made of at least 50% post-consumer recycled polyethylene.
The Enviro World Free Garden EARTH Compost Bin is in some ways even better than our main pick, but is not as widely available.
Still, it's a good one to pick up if you can't find the Earth Machine at a discount in your local community.
We also updated the Competition section with the other composters we found.
The Earth Machine is large enough to suit most households, often available for a discount from Public Works departments, and keeps rodents out.
Below is a photo of my new design that I think is easier to build and more efficient than the bucket design that was pictured when I first wrote this post.
I will leave this page online because the link has been shared so many times, but I highly encourage everyone to build the new composter.
You can find detailed photos and ask questions about the new unit here: LINK It is also available to purchase: LINKI believe this BSF composter design is as efficient as any other design, or more so, in terms of its drainage, harvest, and larva containment systems, and that it is the easiest to keep balanced (aerobic).
It is also the only composter that I know of which is designed to produce a large volume of BSF “tea”, or liquid fertilizer, which is very good for gardeners.
I know that doesn’t sound too humble, but I’m being honest.
It’s very common for BSF system to become anaerobic (an therefore stinky), and I’ve found this design to be very easy to keep in a balanced state.
I’ve also done my best to keep it very affordable to purchase.