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pH and Nutrient Testing

$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.
$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

$254.95

Custom ordered for you- Please contact us for details

$33.95

Milwaukee's most affordable pH tester, range: 0.0 to 14.0 pH, with one point manual calibration, and accuracy of ±0.2 pH. Battery Life: 700 hours. Calibration solution sold separately.             

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17 Item(s)