Hikari Oranda Gold Additives & Supplements Purigen® is designed for both

Purigen® is designed for both marine and freshwater use

Reef Advantage Strontium™ is formulated so that it can be added directly to the aquarium

Fish and other aquatic species may be introduced at any time as long as dosage is maintained for 7 days

If temperature is > 30 °C (86 °F) and chlorine or ammonia levels are low

amino acids and fats your goldfish require

Hikari Oranda Gold Additives & Supplements Purigen® is designed for bothHikari Oranda Gold A food developed specifically to promote prominent head growth while enhancing the coloration of goldfish kept indoors where adequate UV rays are not available to help them formulate colors. Great for Oranda, Lionhead, Azumanishiki, Ranchu and most other fancy goldfish. Regular feeding insures desirable body structure and excellent appearance. FEATURES Floating Pellet That Won't Cloud The Water Allows easy monitoring of amount eaten