One that involves leafy green vegetables and white- and yolk-free egg shells served in small sizes every two to three days describes the best worm fertilizer. Greens and shells need to be no more than 1 to 2 inches (2.54 to 5.08 centimeters) in size. The vermicomposter needs to be kept clean and free of acids, contaminants, greases, lactoses and oils.
Composter using worms