Features 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