pH & EC Meter Calibration Solution

General Hydroponics pH 7.0 Calibration Solution 8 Ounce (236 ml)
General Hydroponics pH 7.0 Calibration Solution 8 Ounce (236 ml)
Brand: General Hydroponics
General Hydroponics uses the highest quality electronic meter reference solutions. Growers can use our reference solutions widely among many popular brands of meters using the NaCl scale. General Hydroponics technicians check each batch to ensure that our …

Item #: 211551
In Stock
List Price: $8.20
Price: $6.05
You Save: $2.15

 


General Hydroponics pH 7.0 Calibration Solution 1 Quart (946 ml)
General Hydroponics pH 7.0 Calibration Solution 1 Quart (946 ml)
Brand: General Hydroponics
General Hydroponics uses the highest quality electronic meter reference solutions. Growers can use our reference solutions widely among many popular brands of meters using the NaCl scale. General Hydroponics technicians check each batch to ensure that our …

Item #: 211552
In Stock
List Price: $23.37
Price: $17.16
You Save: $6.21

 


General Hydroponics pH 4.01 Calibration Solution 1 Quart (946 ml)
General Hydroponics pH 4.01 Calibration Solution 1 Quart (946 ml)
Brand: General Hydroponics
General Hydroponics uses the highest quality electronic meter reference solutions. Growers can use our reference solutions widely among many popular brands of meters using the NaCl scale. General Hydroponics technicians check each batch to ensure that our …

Item #: 211555
In Stock
List Price: $23.37
Price: $17.16
You Save: $6.21

 


Bluelab 27.7cf Calibration Solution 500ml
Bluelab 27.7cf Calibration Solution 500ml
Brand: Bluelab
Calibration solution for Truncheon, Guardian (conductivity), and ppm/EC pen. 2.77 EC = 1350 TDS/ppm (500 scale) = 1890 ppm (700 ppm) Bluelab's EC/CF equipment does not need calibrating as they are all factory calibrated at Bluelab. The CF27.7 (EC2.77) …

Item #: 137821
In Stock
Pack of 6
Price: $62.22
$10.37 (ea)

 


Bluelab 4.0 500 ML Calibration Solution
Bluelab 4.0 500 ML Calibration Solution
Brand: BlueLab
The Bluelab Calibration Solutions are a very necessary part of a growers toolbox. These solutions are manufactured specific to the calibration process and referenced to high laboratory standards by Bluelab. They are required for the calibration of pH …

Item #: 131885
In Stock
Pack of 6
Price: $62.22
$10.37 (ea)

 


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