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Posts Tagged ‘worm bin’

Large scale red worm flow through bin

Monday, February 20th, 2012

We have just finished building our biggest ever red worm bin. It was designed to fit on a pallet for easy moving around our space. We are thinking this red worm bin will hold up to about 50 pounds of red worms if we can feed them well enough. The earth worm castings produced will help supplement our high demand for premium organic earth worm castings this spring. The bin was built to hold over 800 pounds of earth worm castings at capacity.

  • About 4 feet by 4 feet opening for a total of 16 square feet of surface area.
  • Started with about 10 pounds of red wiggler worms
  • Used this 1/4 inch galvanized wire rope for bottom section of flow through
  • 2.5 inches between each 1/4 inch wire will allow regular flow of earth worm castings
  • Painted inside wood with oil based white paint, second coat was added after this picture.

460 lb. Recycled Compost-Air update

Saturday, May 21st, 2011


Feeding of 60lb of tea and scraps on May 14th 2011. Red worms are doing good work and we have bonus plants coming out of the side of the Compost-Air.

Check out our 130 gallon compost-air or 80 gallon compost-air

132 Gallon Compost-Air Flow Through Worm Bin

Wednesday, April 6th, 2011

This flow through worm bin is made from a 132 gallon Compost-Air, an aluminum grate base and 8 cinderblocks. Since I started this bin half full of donated loose leaf tea and other restaurant waste the bin was stocked with 8lb. red worms. This Compost-Air has half inch holes punched through the sides, no lid and a flow through bottom surface. The high air flow creates a perfect aerobic composting environment which leads excellent breeding and earthworm castings production by red worms.

Worm stocking densities are below:

  • 0.5 lb/square foot density is 17 lb. of composting worms
  • 1.0 lb/square foot density is 37 lb. of composting worms
  • 2.0 lb/square foot density is 74 lb. of composting worms

Check out our 130 gallon compost-air or 80 gallon compost-air

5 gallon nested flow through worm compost bin

Tuesday, April 5th, 2011

The upper 5 gallon bucket has 1.5 inch gaps cut directly out of the bottom with a Dremel 300. Food scraps flow from the top then out through the newly cut bottom. The second bucket holds the nested upper bucket to catch castings and liquid. The cutout of the lower bucket has a 1 inch lip, enough to hold a small lake of liquid.

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