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Fish do not like fluctuating pH levels, and need to be kept within a specific pH range. The only way to determine the pH of the water is with a TetraPond pH kit. How To Use Take a sample of your ponds water. Add the Tetra pH Test liquid as advised to the sample. Compare the colour of the water to the test strip in the Test Kit. This will indicate the pH level of your pond. It is recommended that you test the pH level in your pond every 1 to 2 weeks.
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Tetra