Hanna Instruments Quick Calibration Solution for GroLine pH and EC Meters (20 mL sachet) HI50036 how to grow vege Pick your testing location

Pick your testing location

take another pH reading before dosing again with pH DOWN

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If the mV offset continues to deviate and the meter is calibrated with a dirty electrode then inaccurate readings will result

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Hanna Instruments Quick Calibration Solution for GroLine pH and EC Meters (20 mL sachet) HI50036 how to grow vege Pick your testing locationHI50036P is a quick calibration solution for use with Hannas GroLine pH and or EC TDS meters. Using the Quick Cal function found in compatible meters allows for a single point calibration for pH and or conductivity sensors. Each sachet has the lot number and expiration date stamped on it and is made of light block foil ensuring freshness each time one is opened. Hannas line of calibration solutions have been specially formulated to have an expiration