If readings are in doubt, use to calibrate your AquaMeds ECO pH+ Tester.
Calibration Standards are an important part of the measuring system. Without which, the measuring meter is redundant. Each standard solution is made in soluble form, sealed and date coded to ensure the highest quality and accuracy when delivered.
Dip the sensor into the solution until fully immersed.
Press and hold down CAL button until CAL is blinking. 7.0 will be displayed in a blinking mode. When the display stops blinking and freezes, the unit has been standardized.
Calibration completed. Rinse the sensor area thoroughly before proceeding with further tests.
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