Taylor K-1001 3-Way DPD Test KitTaylor K1001 Basic DPD Test Kit is an easy and effective to test your pool water chemistry for sanitizer and pH levels, helping you to create a safe, healthy pool environment. This kit includes bromine, chlorine, and pH reagent bottles, as well as the graduated cylinder with built in 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.