We test for : Lead, Magnesium, Cadmium , Manganese, Arsenic, Sodium, Mercury, Nickel, Aluminium, Zinc, Barium, Selenium, Strontium, Thallium, Chromium, Uranium, Lithium, Vanadium, Silver, Beryllium, Calcium, Cobalt, Cesium, Copper, Iron, Gallium, Potassium