Make a flowthrough worm composting bin using a 13gallon kitchen trashcan, some scrap wood and string trimmer wire. A flowthrough worm composter makes harvesting worm castings easier than handsorting by creating a bin with an open bottom. A grid of trimmer string supports the soil column while allowing it to slowly flow through into a catch container. The red wiggler composting worms migrate up while the finished moves down through a compression zone, naturally separating the worms from the castings.

For my worm composters I use worms purchased from Uncle Jim's Worm Farm. Uncle Jim will give you a 10% discount on your online purchase if you use the coupon code "greenshortz" at checkout. website: www.unclejimswormfarm.com
(disclosure: I don't make money from this...they just deliver a great product)

Materials:
13gallon kitchen trash can
2x4 and 2x2 material
Small piece of 3/4 inch plywood
A few scraps of wood for lid brackets
Assorted screws
1 inch roofing bolts (with washer)
Heavy duty trimmer line
Window screen scrap

Tools:
Ruler / Square
Meauring tape
Marking tool (I'm using a Twisted Sharpie: Link below)
Drill / Drill bit
Impact wrench
Handsaw / Miter saw
Scissors
Box knife
Hammer / Nail gun (optional)
Sand paper

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