DescriptionOur water test strips are great testing tools for testing the quality of different water sources. Simple to use, wide application, useful and convenient. With our water test strips, you can test your well water, aquarium, pool water, hot tub, swimming pool and spa.Features-Color:As Shown -Material:ABS, paper -Size:13.00X0.50X0.15cm/5.11X0.20X0.06in-Test items: free chlorine, PH, total alkali, hardness, iron, copper, lead, nitrate, nitrite, bromine, total chlorine, chromium, fluorine, cyanuric acid. - Simple and easy to use, you can also get your testing results quickly and easily. - Made of premium material, this water quality test strip is durable, handy and long-time use. - The water test strip is lightweight and portable, easy to store, can meet your different requirements.- Suitable for the hot tub water, aquariums, swimming pools and spas, easy for water quality testing.-The test paper has high precision, fast, convenient to carry, which will be a helpful assistant for you.