Beta-Brine™ is super-concentrated enriched Artemia salina . Beta-Brine Artemia are naturally enriched with beta-carotene because they feed on phytoplankton ( Dunaliella ) that has exceptionally high beta-carotene content. Aquacultured Beta-Brine Artemia have been aquacultured in Western Australian salt ponds, distantly located from urban population centers and pollution sources. Gut Loaded Beta-Brine Artemia are harvested while actively feeding upon marine phytoplankton for maximum nutrition. No freshwater phytoplankton has been added. refrigerated and Easy To Use Excellent feed for Fish, LPS corals, NPS corals and many other invertebrates Naturally enriched with beta-carotene Aquacultured in Western Australian salt ponds Directions Invert bottle to mix For Fish: Add as much as they can consume in 3 minutes For Corals: Add 1 - 2 teaspoons per 100 gallon tank per day Add to a high flow area of the tank, or for target feeding, premix 4 parts tank water with 1 part Beta Brine. Because different captive reef systems process nutrients at different rates, we recommend that new users start with half the reocmmmended dose and slowly increase to the full dosage over a 1 month span. Note: Color variations in this product are normal Storage Keep refrigerated (33-42°F / 1-5°C) at all times