Taylor K-1106 Phosphate Test KitTaylor K 1106 Phosphate Test Kit is an easy and effective to test your pool water chemistry for phosphate levels, helping you to create a safe, healthy pool environment. This kit includes Thiosulfate N 10, Phosphate Reagent #1, and Phosphate Reagent #2 bottles, as well as the test cell with built in directions. Simply fill the tube with pool water and add the correct reagents according to the supplied directions, and you will have highly accurate