Hanna Instruments GroLine Quick Cal Combo Calibration Solution Bottle, 230mL Container Size:500 mL Controller includes a single Digital

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Hanna Instruments GroLine Quick Cal Combo Calibration Solution Bottle, 230mL Container Size:500 mL Controller includes a single DigitalThe Hanna Instruments GroLine quick calibration solution is for use with Hanna's 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. Hanna's line of calibration solutions have been specially formulated