9 in 1 Aquarium Test Strips,100 Strip Fish Tank Water Kit Accurate Testing pH, carbonate, hardness, nitrate, nitrite, residual chlorine, iron, copper, and total Alkalinity

【High-quality Material】 Made of high-quality PVC material, it is highly sensitive, clear and easy to read, and has anti-interference ability. Bottled for easy storage and carrying. 【Easy to Monitor Water Quality】The test time is 30s, which can quickly and accurately judge the water quality of swimming pools and aquariums, and find water quality problems in time. 【Quick and Accurate Test】The test results are fast, accurate and reliable, and 9 elements are monitored at the same time, including pH, carbonate, hardness, nitrate, nitrite, residual chlorine, iron, copper, and total alkalinity. Alkalinity 【Easy to Use】Immerse the test strip in the test solution for 2S and take it out. Place the test strip horizontally for 30S and then compare the color of the test strip with the color card; 【Widely Used】Suitable for freshwater and saltwater fish tanks, waterweed tanks, aquariums, ponds, pools, swimming pools, bathtubs, hot springs, aquaculture, etc. Easily check whether the water quality is normal.