Calibration
-
Choose the product options first
General Hydroponics uses the highest quality reference solutions, allowing growers to calibrate many popular brands of PH, EC and TDS meters (NaCl scale or the 442 scale). General Hydroponics technicians check each batch to ensure that our solutions are precisely calibrated and yield reliable readings each time they are used.
-
Choose the product options first
This solution is for calibration of pH meters and electrode storage.
-
Choose the product options first
This TDS Calibration Solution is the perfect match for the Hanna Primo TDS Meter.
-
Choose the product options first
Hanna pH 4.01 Calibration Solution 20ml Sachet
-
Choose the product options first
The perfect solution to store and hydrate your Bluelab pH products. Bluelab pH Probe KCl Storage Solution is made specifically for use with Bluelab pH products. It is designed to increase response time and maximize the life of Bluelab pH pens and pH probes. For best results, use the KCl solution to store the pH pen/probe after use and hydrate monthly. Bluelab pH Probe KCl Storage Solution is manufactured to high laboratory standards.
-
Choose the product options first
Hanna pH 7.01 Calibration Solution 20ml Sachet
-
Choose the product options first
Hanna 1382 PPM TDS Calibration Solution 20ml Sachet
-
Choose the product options first
HANNA® packet solutions are prepared according to precise formulas and are standardized with a pH meter calibrated according to the NIST standards. The 20 mL sachets are single-dose and are ready to use.
-
Choose the product options first
Hanna 1500 PPM TDS Calibration Solution 20ml Sachet