Basic 3-Way Swimming Pool & Spa Test Kit - Tests Water for pH, Chlorine, and Bromine - OTO and Phenol Red Test Solutions - Maintain the Proper Chemical Balance of Pool Water

Professional 3-way water test kit for maintaining proper Chlorine, Bromine, and pH chemical levels in swimming pools and spas. The test kit is organized in a polyethylene case. Kit includes a 1/2 ounce dropper bottle of OTO (Orthotolidine) Chlorine Test Solution and a 1/2 ounce dropper bottle of Phenol Red pH Test Solution. It also includes a clear-view water testing block with an accurate measuring scale and integrated color markings for the chemical levels. Easy to use, fill each test tube with pool water, add 4 drops of the proper solution into each test tube, put the test tube caps on, shake the testing block, then check the Chloride, Bromine, and pH readings. An essential testing kit that makes it easier to maintain your pool water's chemical levels, so the water is properly balanced and safe to enjoy and swim in year-round!