Residual Chlorine Test Solution Water Quality Test Solution with Testing Strip Tube Tool for PH Residual Chlorine Detection Water Quality Test Solution with Testing Strip Tube Tool for PH Residual Chlorine Detection Feature: 1. MAIN FUNCTION: The test box includes PH and residual chlorine test solvent, which can be used to check the content of PH and residual chlorine in water. 2. SAFE SOLVENT: High purity harmless analytical reagents are used to enhance the stability of the test reagents and the accuracy of the test results. 3. WITH TEST TUBE: Equipped with a test tube tool with color comparison strips on both sides to facilitate observation of measurement results. 4. WIDE APPLICATION: The water quality test box is convenient and practical, which is very suitable for aquariums, swimming pools or fish tanks. 5. DURABLE MATERIAL: The shell is made of environment friendly PVC, with good toughness, corrosion resistance and no pollution to the test solvent. Specification: Item Type: Water Quality Test Kit Material: Environment Friendly PVC Package List: 1 x PH Test Solution 1 x Testing Tube 1 x Residual Chlorine Test Solution _x000D_ _x000D_