Answer: The answer to your question really depends on several factors. On the one hand you will need a container large enough to handle the vegetable and other wastes available, on the other hand it will need to fit in whatever space you have available to keep it. (For example, if it is supposed to be kept under the kitchen sink, make sure it will fit there.) In terms of worm health, you need to be sure the container allows for air circulation and adequate drainage as well as a certain amount of insulation from temperature swings. Cost is often a consideration as are aesthetics. Basically, once you decide what is most important to you then you will know which one suits your needs best. There is a wide range of containers available from top of the line models to home-made bins using plastic boxes from the five and dime store and they can all be satisfactory as long as the worms' basic needs are met.
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