Hikari's 3 Step Sterilization process assures unequalled product quality. Free of parasites, harmful bacteria and foul odor, BIO-PURE® frozen diets are another example of Hikari's product quality commitment. Packed in pure water and available in our no touch™ cube packs, BIO-PURE® frozen foods provide maximum nutrition with minimum mess. Want the best for your fish? Feed them Hikari!