Feature:1. Simple operation, it supports quick test, adopts convenient colorimetric method, compares the test rod with the color chart of the bottle body, and the value can be obtained.2. Made of highquality fiber paper, it can provide instant and reliable results, and can test 6 parameters: TC, CL / Br, PH, Alk, CYA, TH.3. Wide range of applications, suitable for different water quality detection, widely used in various scenes such as tap water, drinking water, aquarium, pond water, etc.4. Small size, the test paper is packed in a bottle, which can be easily taken and placed, which is convenient for next use.5. High practicability, it can detect water bodies that are in contact at ordinary times, such as the water quality of spas and swimming pools, and can ensure health.Specification:Item Type: Water Quality Test PaperMaterial: Paper + ABSWeight: Approx. 31g / 1.1ozTest Items: TC, CL/Br, PH, Alk, CYA, THScope of Application: It is suitable for fresh water..Package List:50 x Test Paper