Hikari Bio-Pure Food Bloodworms Bio-Pure Freeze Dried Blood Worms are rich in multiple vitamins to reduce stress and stress-related disease. A pharmaceutical freeze drying technique leaves it free of parasites and harmful bacteria, and preserves a fresh flavor preferred by freshwater fish including cichlids, discus, bettas and goldfish. May be fed as a daily diet or special treat. Will not cloud the water when fed as directed. Bio-Pure Food Bloodworms, 0.42 oz