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pH and Nutrient Testing

$7.54
A pH measurement meter is only as good as the most recent calibration. General Hydroponics Standard Reference Solution are pH meter calibration solutions that are available in pH 4.01 (pink) and 7.01 (green) and assure the accuracy of your pH pen or meter.
$7.54
A pH measurement meter is only as good as the most recent calibration. General Hydroponics Standard Reference Solution are pH meter calibration solutions that are available in pH 4.01 (pink) and 7.01 (green) and assure the accuracy of your pH pen or meter.
$94.00
Bluelab PPM Pen
$112.50
$112.50
BlueLab pH Pen
$55.00
Hanna DiST4 EC Meter
$308.00

Custom ordered for you- Please contact us for details

$27.50
Replacement probe for the regular Hanna Digital pH Checker pen.
$254.95

Custom ordered for you- Please contact us for details

$11.95
Storing the pH pens probe in Storage Solution extends the life of the probe and prevents untimely failure of the meter during measuring operations.
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17 Item(s)