The API freshwater pH test kit measures pH levels from 6 to 7.6 (6, 6.4, 6.6, 6.8, 7, 7.2, 7.6). It is fast, easy, accurate, and can perform 250 tests for freshwater only.
The API Nitrate test kit contains liquid dropper bottle with child resistant cap, easy to read instructions with information on how to test and how to correct unsafe water conditions, colour comparison card and glass test tube with cap.
Why test for pH?
Many species of fish prefer a specific pH to do well, and a stable pH is particularly important. However, the pH can fluctuate due to fish waste, addition of new water, and the build up of acid produced by the breakdown of organic compounds.