Product description San Francisco Bay Brand Frozen Spirulina Brine Shrimp have been gut-loaded with Spirulina algae (used as an immune system booster in commercial aquaculture operations for years) in holding tanks prior to freezing. We recommend feeding this product to your fish a couple of days prior to undergoing a stressful situation such as a big water exchange, transfer to a new aquarium, reconfiguring of plants, adding of other fish etc. to help boost their immune system.   Recommended For Freshwater: Sharks, African Cichlids, American Cichlids, Platies, Swordtails, Mollies, Silver Dollars and Others.Saltwater: Tangs, Rabbitfish, Clownfish, Angels, Chromis and Others.   Ingredients Brine Shrimp, water, spirulina, carrageenan.   Guaranteed Analysis Ingredient Amount MIN/MAX Crude Protein 3.7% MIN Crude Fat 1.2% MIN Crude Fiber 1.6% MAX Moisture 94.8% MAX Ash 0.2% MAX Phosphorus 0.1% MIN   Feeding Guide Feed often, but only what can be consumed in three minutes. Remove any uneaten food. Never overfeed. No thawing or rinsing required. Keep frozen. IMPORTANT: Microwaving or thawing in hot water is not recommended, as this breaks down the nutrients contained in frozen fish food.