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California black worm

Culturing Black Worms

Culturing Lumbriculus variegatus (California blackworms)
by Charlie Drewes
Lumbriculus is easily maintained and continuously cultured in small aquaria with minimal time, expense, and space (Fig. 1). At room temperature, populations double in about 3-4 weeks, or less. A culture can be started using a deep pan or small aquarium, filled with about 2-3 inches of spring water. (Note: Well aged tap water may be an acceptable alternative to spring water in many but not all cities.)

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