Essentials pH Buffer 4 And 7 Calibration Fluid Meter Solution Hydroponics
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Product description
- When calibrating, it is a good idea to only use a small sample of buffer solution in a separate container, test the meter and then discard the solution. Discarding the used solution will prevent any contamination of the fresh solution and maintain longer life of the calibrating solution.
- It is important to calibrate your pH meters with Essentials Buffer 4 and 7 at regular intervals to maintain the accuracy of the pH readings
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Check price