LIVAIA Easy Use PH Chlorine Test Kit Swimming Pool Tester DPD PHENOL RED HOT TUB
Chlorine Concentration Tester and Pool pH Tester: Set of 3 Starter with Test Container, 10 Red Phenol Tablets, 10 Tablets DPD1, pH and Chlorine Tester. Enjoy the fun of the pool and hot tub with our practical pool water tester.