Description
9-in-1 Aquarium Test Strips: Test the levels of Iron, Copper, Nitrate, Nitrite, pH, Water Hardness, Carbonate Hardness, Chlorine, Total Alkalinity in freshwater or saltwater at one time. Fast, Accurate and Easy to Read: 60 s to complete a test. Immerse the test strip in water for 2 s and take it out, hold it horizontally and suspend it above the desktop for 15-60s, then compare the color with the color chart to get fast and accurate parameter results. Provide Suggestions for Improvement: Based o
