Red Sea Salt is suitable for marine tropical fish from every ocean.The Red Sea, as is well known, is home to many marine tropical fish and invertebrates, which are in many instances more colorful than their counterparts in other areas of the world. This is believed by marine specialists to be due to the unique properties of the salts and their balance in the world famous Red Sea.Coral Reef Salt is made at the Red Sea with naturally made chemicals from the Red Sea and surrounding areas. The trace elements are distributed in the mixture by a new method that ensures total homogeneity, as well as an exact replication of the ocean.All of the biologically active elements found in natural sea water are added, and tests have shown that the rarest corals not only survive in Coral Reef Salt, but actually grow.If you want to keep reef aquaria, or just marine tropicals, then you will ensure your success by using Coral Reef Red Sea Salt.*This product is not available for Free Shipping.