Brineshrimp. For marine, tropical, coldwater, cichlid & discus. New 250g bulk pack. The only food used by Tropical Marine Centre at its three UK fish-holding facilities. Highest quality ingredients. Rapidly packed, sealed & frozen. Gamma irradiated. This completely eliminates any risk of introducing harmful parasites or bacteria into your aquarium, and also means that the food is completely safe to store in your freezer. 100% natural products and the wide variety available ensures that individual species of fish receive a balanced, varied and interesting diet. Colour-coded feeding suitability guide makes it easy to find the right food for your fish!