´╗┐
Monitoring pH, nutrient levels, temperature and humidity is key to promoting nutrient uptake, leading to healthy, happy plants.
per page
22 Item(s)

Testing

$246.40

Custom ordered for you- Please contact us for details

$44.00
Hanna DiST4 EC Meter
$90.00
BlueLab pH Pen
$75.20
Bluelab PPM Pen
$6.03
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.
$6.03
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.
$15.96
$15.96
$203.96

Custom ordered for you- Please contact us for details

$22.00
Replacement probe for the regular Hanna Digital pH Checker pen.
$9.56
Storing the pH pens probe in Storage Solution extends the life of the probe and prevents untimely failure of the meter during measuring operations.
per page
22 Item(s)