mega worm Mega Worm Provides rapid germination of seeds Ensures strong root development Increases resistance Stimulates the growth composition 100% worm manure Dendrobena Veneta. manual Full floor: 1 liter per 3-5 m 2 . Reuse Mega Worm compost by adding. Mega Worm minimizes the chance of fertilization. Mega Worm 100 grams per pot ( 10 liters) is sufficient.