API Water Test Strips 6 in 1 – 60 tests Test Color Chart Inside Additional information: Nitrate is a waste product produced by fish and other aquatic animals. High level of nitrate can be harmful to fish. Nitrite is a toxic substance produced by the breakdown of ammonia. High level of nitrite can be fatal to fish. If the levels of nitrites are zero, ammonia is also considered to be zero. Chlorine is a disinfectant that is used to kill harmful bacteria in water. However, high levels of chlorine can be harmful to fish. GH stand for general hardness. It is a measure of the amount of dissolved minerals in water. High levels of GH can be harmful to some fish. KH stand for carbonate hardness. It is a measure of the amount of alkaline minerals in water. High levels of KH can help to buffer the pH of water, which can be beneficial for fish. pH is a measure of the acidity or alkalinity of water. Please read up on the pH preferences of your fish. It is important to test your aquarium water regularly to ensure that the levels of these parameters are within a safe range for your fish. Instructions: Fill a clean cup or container with aquarium water. Remove one test strip from the container. Dip the test strip into the water for 1 second. Remove the test strip from the water and gently shake off any excess water. Compare the color of the test strip to the color chart provided inside this packet Read the corresponding value for each parameter. Warnings: Test strips are not a substitute for a professional water test. Test strips should be stored in a cool, dry place. Do not use test strips if they are damaged. Keep test strips out of reach of children.
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