Aquatic Foods Inc. Blackworms & Beef Heart Mix, 50% Freeze Dried California Blackworms & 50% Freeze Dried Beef Heart Mix 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. Freeze Dried California Blackworms and Freeze Dried Beef Heart Mix, ideal for ALL Tropical Fish All Live, Frozen and Freeze Dried California Blackworms come from California