This test kit by Poolmaster comes with a tough polyethylene case. Test for Chlorine and bromine. Includes the premium 12 indicator clearview acrylic test block for more accuracy. Clearly embossed markings for chlorine range 0.2, 0.6, 1.0, 1.5, 2.0, 3.0 and pH range 6.8, 7.2, 7.4, 7.6, 7.8, 8.2.