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.
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:
GroLine 1,413 µS/cm conductivity standard is prepared against a NIST traceable potassium chloride solution and supplied with a certificate of analysis. Hanna conductivity solutions 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 conductivity standards 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
Temperature chart of the actual µS/cm value at various temperatures printed on each bottle
Air tight bottle with tamper-proof seal to ensure quality
Additional information
Additional information
Weight
3 lbs
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Hanna Groline Storage 20 ml Packet (each)
$1.50$1.35
Groline Storage is a high quality storage solution designed with hydroponics, aquaponics, and greenhouses in mind.Single-use sachets are highly portable, with a small footprint and a lightweight design. They are the perfect accessory for your on-the-go testing, fitting easily into your pocket or carrying case.
Specially formulated for storing GroLine electrodes.
Single-use sachets for convenience.
Perfect for use with GroLine testers and portable meters!
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:
