Here is what you need to get started for a worm farm:
Container of wood or plastic. We use a sturdy plastic container that is about 7 inches deep, 9 inches wide and 14 inches long. The measurements are not real critical. This just happens to be an easy size for us to keep around the office and carry to presentations. If you are going to keep your worm farm inside, you will want it to be water tight. The worms are going to be happier when kept in the dark. (Kind of like some folks around here.) If your container is clear, wrap it with newsprint or place it in a cabinet or a opaque container to seal out the light. Make sure that the place you find to store the bin is away from vibrations. Worms will try to pack their bags and move to better digs if they are too near a source of vibration.
Worms. We really suggest that you use red worms. They are also called red wrigglers or manure worms. Do not use earthworms or night crawlers. They just are not cut out to do this job.
Bedding material. Start with some shredded newspaper, moistened, not wet. Use the black and white pages. The classified ads are good, as are the stock market reports. Don't use the colored ad pages, it just makes the worms want to go shopping and you want them to stay in your box and convert the vegetable scraps. Add a couple of handfuls of garden soil, not potting soil, and a couple of crushed egg shells. Keep the bedding damp but not sopping. The moisture helps them to breathe, but too much water will drown them.
Food. You can feed your worms fruit and vegetable scraps and starchy scraps, like bread, oatmeal, and pasta. You can even feed them grits if they are southern worms, like ours. Do not feed them too much acidic foods, like citric fruits, coffee ground and tea bags. They do best with a pH between 7 & 8. You can use egg shells to balance the effects of coffee grounds, orange and lemon peels. Make sure that the eggshells are cooked before adding them to the worm farm. If they are not from boiled eggs, you can cook them by putting them in a cup of water in the microwave. Never feed your worms meat, poultry, dairy products, or salty food , like potato chips. These will create odors and attract insects. Your worms will eat about half their body weight each day. Take this into consideration when you are deciding how much food to add to the bin.
Worms require oxygen so keep the lid partially open to allow air to circulate. You should also turn the bedding with a trowel periodically to improve air circulation in the farm.
Worms will function very well at room temperature. Keep the farm temperature between +40 degrees F and +85 degrees F. Remember that heat will build up quickly in the farm if it is left in the sunlight.
Red worms reproduce often. Small, oval shaped cocoons in the bedding indicate that nature is taking its course. Cocoons may contain several baby worms and will take several weeks to hatch. Watch for tiny white worms. Poultry egg shells added to the bedding will provide calcium the worms need to reproduce. Don't worry about red worms taking over the estate, their population is limited by the size of their environment.
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