Worm Bins

Your worms can live in a plastic bin or wooden box with plenty of air holes punched in the sides and top. You can line the worm bin with nylon net to keep the small ones in. Holes in the bottom are needed for drainage so you’ll want a tray under the bin.

I have a different type of bin — a window box with holes in the bottom and containers under the window box to catch any leaking water.

As a cover, I use a bigger window box which I place upside down over the one with the worms. I make sure this big window box is placed in such a way that plenty of air is allowed to circulate inside the bin so that the worms and the decomposing material have access to oxygen. We do want aerobic decompostion which does not smell, right?

If you double click on this image, you will have a better view of my homemade vermicomposting bin.

You will notice that I have no soil in the middle of the window box.  At one point the box was filled with soil, and I’ve since used the soil from the center of the window box as compost for my balcony plants.

At first I had purposely left the middle empty so that when I figured there was quite a bit of worm castings in the soil at both ends, I would put fresh soil and the food in the middle to attract the worms and then use the nutrient-rich super end soil as compost.

As the number of worms increased,  I started  keeping the box filled with soil and spreading  the food all over the top of the soil right across the box.

If you prefer not to touch the woms, there are special kits you can buy. Here’s an example tray bin system from Amazon:
Worm Factory DS3GT 3-Tray Worm Composter, Green

You can also google these words:

vermicomposter + Toronto or the name of your city or town

and you will find suppliers.

Some people move their worms out to a balcony or yard in warm seasons, but I would hesitate putting the bins in the sun for the worms would fry in temperature above 80 degrees F. (approximately 25 degrees Celsius. If you wish to put them outside on a balcony, try to find a spot which remains shaded.

However, I keep my bin in my living room in a dark corner behind my furniture. I do not get any smell or mess from it. Also in the past teachers used to set up a bin in the classroom where students would take in food for the worms. I know one teacher who bought a tool box in which to keep her composting worms. Anything will work as long as you take care of it.

If you plan to move the worm bins back and forth to the balcony, you may find it more convenient to have several smaller, more portable units rather than one large one. The size of the box will also depend on how much space you have.

So if you live in an apartment and prefer to nourish your plants with compost, why not try the vermi composting method.

Take care


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