Meters & Solutions

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1500 PPM Packet
This item is sachets Available in 220ml bottles and 20ml sachets. Traditional buffer solutions ar..
$0.99
Bio Green Clean Industrial Equipment Cleaner, 1 gal
Clean your grow room, garage, or other equipment with top-of-the-line materials, without giving up a..
$89.99
Bio Green Clean Industrial Equipment Cleaner, 1 qt
Clean your grow room, garage, or other equipment with top-of-the-line materials, without giving up a..
$34.99
BlueLab Combo Meter
It's all you need for simple and reliable crop management and it's all within arm's reach! The Bl..
$308.99
Bluelab pH meter with probe
It's all you need for simple and reliable crop management and it's all within arm's reach! The Bl..
$210.99
Bluelab pH Probe Cleaning & Calibration Kit
The instrument is only as accurate as the probe is clean. Probe cleaning is one of the most impor..
$35.99
Bluelab pH Probe KCI Storage Solution
The perfect solution to store and hydrate your Bluelab pH products. Bluelab knows it is extremely..
$11.99
Bluelab ppm Pen
The ultimate handy solution for measuring conductivity! The Bluelab ppm Pen is the latest innovat..
$94.99
Bluelab Replacement pH Probe for Guardian, Combo, & pH Meter
Easy to clean because of its bullet shaped glass bulb. Fully waterproof and less fragile than all-gl..
$81.99
Bluelab Soil pH Pen
A handy solution made easy! The Bluelab Soil pH Pen provides a pH and temperature reading of soil..
$185.99
Commercial Truncheon Meter
Big jobs require a big Truncheon! With a conductivity range right up to 6.0EC (60CF or 4200ppm), it ..
$140.99
Floating Thermometer
The Active Aqua floating thermometer delivers easy and accurate readings of your water temperature. ..
$2.99
Guardian Monitor
Stay connected to your crop 24/7. Monitor, data log, and remotely view pH, conductivity and temperat..
$364.99
Guardian Soil pH Meter
The pH level of soils or substrates strongly influences crop performance. Do you know what the pH of..
$240.99
Nutrient Probe Cleaning Kit
The instrument is only as accurate as the probe is clean. Probe cleaning is one of the most impor..
$26.99
pH 4.01 Calibration Solution 1 qt
General Hydroponics uses the highest quality electronic meter reference solutions. Growers..
$21.99
pH 4.01 Calibration Solution 8 oz
General Hydroponics uses the highest quality electronic meter reference solutions. Growers..
$7.99
pH 7.0 Calibration Solution 1 qt
General Hydroponics uses the highest quality electronic meter reference solutions. Growers..
$21.99
pH 7.0 Calibration Solution 8 oz
General Hydroponics uses the highest quality electronic meter reference solutions. Growers..
$7.99