pH & EC Meter Calibration Solution

GH pH 7.01 Calibration Solution 8 oz
GH pH 7.01 Calibration Solution 8 oz
Brand: General Hydroponics
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 …

Item #: 211551
In Stock
List Price: $8.36
Price: $6.17
You Save: $2.19

 


GH pH 4.01 Calibration Solution 8 oz
GH pH 4.01 Calibration Solution 8 oz
Brand: General Hydroponics
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 …

Item #: 211554
In Stock
List Price: $8.36
Price: $6.17
You Save: $2.19

 


Bluelab 2.77EC Conductivity Solution 250 ml
Bluelab 2.77EC Conductivity Solution 250 ml
Brand: Bluelab
"The 2.77EC solution is used as a reference or checking solution to ensure you have adequately cleaned the EC/ppm probe. Calibration Solution should be stored in a cool place out of direct sun and heat. Please keep out of reach of children. They should be …

Item #: 137820
In Stock
Pack of 6
Price: $48.48
$8.08 (ea)

 


Bluelab pH 4.0 Calibration Solution 250 ml
Bluelab pH 4.0 Calibration Solution 250 ml
Brand: BlueLab
"pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration Solution should be stored in a cool place out …

Item #: 131884
In Stock
Pack of 6
Price: $48.48
$8.08 (ea)

 


Bluelab pH 4.0 Calibration Solution 500 ml
Bluelab pH 4.0 Calibration Solution 500 ml
Brand: BlueLab
"pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration Solution should be stored in a cool place out …

Item #: 131885
In Stock
Pack of 6
Price: $63.48
$10.58 (ea)

 


Bluelab pH 7.0 Calibration Solution 250 ml
Bluelab pH 7.0 Calibration Solution 250 ml
Brand: BlueLab
"pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration Solution should be stored in a cool place out …

Item #: 131886
In Stock
Pack of 6
Price: $48.48
$8.08 (ea)

 


Bluelab pH 7.0 Calibration Solution 500 ml
Bluelab pH 7.0 Calibration Solution 500 ml
Brand: BlueLab
"pH measuring equipment must be cleaned and calibrated regularly to ensure they are giving the user accurate readings. pH instruments are calibrated to pH 7.0 first (buffer) then to pH 4.0 (slope). Calibration Solution should be stored in a cool place out …

Item #: 131887
In Stock
Pack of 6
Price: $63.48
$10.58 (ea)

 


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