... 12000 Potassium mg 87000 Mg of zinc sulfate 12000 Mg sodium selenite 6000 Mg of copper sulfate 12000 Mg of ferrous ... Mg of manganese sulfate 12000 [ application object ]It is applicable for various fish, prawns, crabs, turtle, eel, frog, aquatic animal figurines ... survival rate of the aquatic animals.5, prevent the weather for the sudden, fishing, transportation, such as pesticide caused by stress ...