Product Description20Kg/Bag Aquaculture Live Shrimp Farming Salt Aquaculture Equipment Sea Horse Aquaculture Sea Salt contains all kinds of trace elements which founded in natural seawater, such as Calcium(Ca), Magnesium(Mg), Potassium(K),Chlorine(Cl),Sodium(Na),Carbon(C),Sulfur (S),Iodine(I), Strontium(Sr), Molybdenum(Mo), Iron(Fe),..