Taylor K-1592 pH TestThe Taylor K 1592 pH Test is another easy to use kit from Taylor, giving you the ability to accurately measure a wide range of critical elements of water chemistry. This kit includes a 3 4 ounce bottle of the testing reagent as well as the graduated cylinder with a built in measurement chart. Simply fill the cylinder with pool water and add the correct reagents according to the supplied directions, and you will have highly accurate results in seconds.