pH BUFFER 7 is important as the upper calibration point in the two point’ calibration of electronic meters. Regularly calibrate your pH meter to ensure that your meter is operating with precision and accuracy.
Monitor the pH on a daily basis. As plants grow, demand for nutrients increase. This means the pH can fluctuate and therefore should be tested and adjusted to maintain an optimum working nutrient solution. Nutrient requirements vary from plant to plant; therefore the ideal pH varies from plant to plant also.
Directions: To calibrate your pH meter pour enough buffer solution into a dry container, enough to cover the electrodes. Wait at least 2 minutes for the reading to stabilise then make the necessary adjustment.
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