Aquatic Foods Inc. Blackworms, Freeze Dried California Blackworms Please note: All product photos are not exact, product color and sizes may vary a little Apx. Cube Count. 10g-15-20 cubes. 25g-40-45 cubes. 50g-85-90 cubes. 100g 175-200 cubes. Our Freeze Dried Blackworms will float, this food does not sink.