There are several ways to harvest worm castings. Read this article to find the best one for you.
Vermicompost is a mixture of worm castings and decomposed organic matter. It can take about 6 weeks to 4 months. This depends on the size of the bin and the quantity of worms you have.
There are a lot of ways to harvest castings and vermicompost. But I’ve only put one. The one that I think is the easiest way to do it.
Light Method
Dump the worm bin in a pile on a piece of plastic. Shine a light directly on it. Or do this outside in the sun. Worms will go down to get away from light.
Brush off vermicompost or casting off the top. When you see the worms, wait till they go deeper into the soil.
Do this until worms are completely separated from vermicompost.
Make sure the new bin is done. Worms that stay too much in light will die.
Brandon Koots
Hydroponics Curacao
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