High-performance test suite This 6-in-1 aquarium test kit. The test strip can monitor 6 elements at the same time, including: total hardness, nitrate, nitrite, chlorine, carbonate and pH. Then you can accurately determine whether your aquarium has healthy water. Wide application The test strip kit is widely used in aquariums, ponds, shrimp tanks and other aquariums. It is a good helper to quickly and accurately determine the water quality. Studies show that your aquarium should be tested at least twice a week to check the water quality and prevent fish loss. High-quality material The aquarium test strips are made of premium fiber paper and a non-bleeding plastic pad. After research and design by experienced experts, the test paper will not bleed, and the results can be obtained quickly and accurately. Easy to use and read Immerse the test paper in the water and remove it after 2 seconds. Place it horizontally for 60 seconds and compare it with the color chart on the bottle. It is necessary to complete the reading within 30 seconds to get accurate water quality results. Sealed packaging 100 water quality test strips are included in a sealed bottle, which can perform 100 tests on your aquarium. After removing the test paper, tighten the bottle cap in time to prevent the test paper from being contaminated by water. Note: The data is all measured manually, please allow an error of 1-3 cm, due to the difference in light and display, there will be a certain color difference, the actual item received shall prevail.