Red wigglers are earthworms. But the best way to raise them is in beds in the ground and even better is under rabbit cages.Earthworms aren't the best if you are looking for a species of worm that makes castings for the garden since they don't consume much kitchen waster. Red wrigglers and night crawlers (except european) are much better options as they reproduce quickly and like to eat. I raised red wrigglers for years. I just put them in a dark box with bedding of shredded newspaper then added a pound of kitchen scraps a week and away they went. Red wrigglers are a little easier to keep since they can survive in a wider temperature range (50-110 I think). Some species of nightcrawlers have a smaller temp range (like african nightcrawlers which is 75-110). Nightcrawlers get nice long and fat though to sell as fishing bait or feed to animals. Red wrigglers don't get near as fat and usually grow only a couple inches.
Some people raise them in horse poop even in the snow by the millions.
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