Pentair R151276 1200 Total Water Hardness Test Kit Total water hardness test kit Comes with total hardness in PPM or grains, test vial, 1/2-ounces No. 6, 1-ounce No. 7 and instructions, compact box Includes 1 kit per pack Measures 5-1/2-inch length by 13-3/4-inch height by 11-1/2-inch width