-

$7.71 USD
Calibration Solution pH7 is a very necessary part of a growers toolbox.
- Fill a small clean container with only enough solution to cover the probe end.
- Adjust meter. Rinse probe with clean water.
- Dispose of used Calibration solution.
- Repeat monthly
-

$7.71 USD
Calibration Solution pH4 is a very necessary part of a growers toolbox.
- Fill a small clean container with only enough solution to cover the probe end.
- Adjust meter. Rinse probe with clean water.
- Dispose of used Calibration solution.
- Repeat weekly or monthly
-

$11.58 – $19.32 USD
BlueLab Calibration Solution 2.77EC is a very necessary part of a growers toolbox. They are required for the calibration and checking of Bluelab meters and controllers. Our solutions are manufactured specific to the calibration process and referenced to high class laboratory standards by Bluelab.
-

$11.58 – $19.32 USD
BlueLab Calibration Solution pH7 is a very necessary part of a growers toolbox. They are required for the calibration and checking of Bluelab meters and controllers. Our solutions are manufactured specific to the calibration process and referenced to high class laboratory standards by Bluelab.
-

$11.58 – $19.32 USD
BlueLab Calibration Solution pH4 is a very necessary part of a growers toolbox. They are required for the calibration and checking of Bluelab meters and controllers. Our solutions are manufactured specific to the calibration process and referenced to high class laboratory standards by Bluelab.