Reef Nutrition Beta-Brine These brine shrimp are aquacultured in Western Australian salt ponds far from urban areas and pollution sources so you can be assured of its purity. Excellent source of nutrition and color for fish,LPS Corals,NPS Corals, and many other invertebrates. Particle size 2000 3000 microns. Naturally enriched with beta-carotene because they feed on phytoplankton (Dunaliella) that has exceptionally high beta-carotene content. Beta-Brine has the highest level of beta-carotene of all brine shrimp feeds. Directions Invert bottle to mix 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. Target Feeding undiluted product is not advised. Because different captive reef systems process nutrients at different rates, we recommend that new users start with half the recommended dose and slowly increase to the full dosage over a 1 month span. Note: Color variations in this product are normal Storage Keep refrigerated (33-42F / 1-5C) at all times