KHOÁNG CHẤT (magiê phosphat, Kali citrat, natri clorid, canxi carbonat, canxi phosphat, kali clorid, natri citrat, kali hydroxid, sắt sulfat, kẽm sulfat, mangan sulfat, đồng sulfat, crôm clorid, natri molybdat, Kali iodid, natri selenat