General Hydroponics™ uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH pen or meter. General Hydroponics™ technicians check each batch to ensure that their solutions are precisely calibrated and yield reliable readings each time they are used.
General Hydroponics™ uses the highest quality reference solutions, allowing growers to calibrate many popular brands of pH pen or meter. General Hydroponics™ technicians check each batch to ensure that their solutions are precisely calibrated and yield reliable readings each time they are used.
Groline Quick Cal is a quick calibration solution 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 bottle has the lot number and expiration date. Hanna’s line of calibration solutions have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle.
Hermetically sealed to maintain freshness
Two calibration solutions for the price of one
Expiration date on label
Additional information
Additional information
Weight
3 lbs
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Hanna Groline 4.01 pH 20 ml Packet (each)
$1.50$1.35
Groline 4.01 is a high quality pH 4.01 calibration buffer that is NIST traceable and supplied with a Certificate of Analysis. Hanna calibration buffers have the lot number and expiration date clearly marked on the label and are air tight with a tamper-proof seal to ensure the quality of the solution. Hanna’s line of technical calibration buffers have been specially formulated to have an expiration of 5 years from the date of manufacture for an unopened bottle.
Supplied with Certificate of Analysis
Accuracy of +/- 0.02 pH @ 25°C
Temperature chart of the actual pH value at various temperatures printed on each bottle
GroCheck conductivity solution made from high quality Potassium Chloride is standardized and calibrated. Conductivity value at 25°C: 1,500 ppm. Comes with factory analysis certificate.For use with:
