50 x 9 in 1 Pool and Spa Test Strips, pH Test Strips, Chlorine Nitrite Water Hardness, Suitable for Drinking Water Aquarium, Comes with 1 Free Test Tube

Complete 9-in-1 Test Tube Kit This test kit contains 50 test strips and an additional test tube. It can measure 9 essential parameters: water hardness, residual chlorine, copper, iron, nitrates, nitrite, pH, carbonates and total alkalinity. Perfect for swimming pool, spa, aquarium and drinking water control. Accurate and Reliable Results Made with high quality paper and fiber, these strips provide fast and accurate measurements. Special material avoids reading errors caused by excess water, for professional home analysis. Easy to use Just soak the strip for 1 second in water, remove it and hold it horizontally for 15 seconds. Then compare the colour with the colour chart on the package; the included test tube makes it easy to draw water for a cleaner test. Easy to read without error The design of the strips prevents the need to shake off excess water after soaking. Stable and reliable results with ease, ideal for home use. Maintain clean, healthy and well-balanced water on a daily basis. Versatile multi-purpose Suitable for analyzing swimming pool, spa, aquarium water as well as drinking water. With the included test tube, sampling and analysis is more convenient. One kit to control all key parameters at a glance.