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Meters & Controllers

Hort2O Digital Hygro-Thermometer | 9.8ft Temperature Sensor - Digital Display - Measures Temperatures 32°F to 122°F - Measures Humidity 20% to 98%
In Stock: 125
$19.63 $19.99 -2%
Luster Leaf Rapitest Light & Moisture Meter | Dual Tester
In Stock: 104
$160.20 / $26.70 per unit
(minimum purchase of 6)
Bluelab Soil pH Pen
In Stock: 11
$220.14 $288.16 -24%
GroStar GS2 Soil pH Pen
In Stock: 142
$215.87 $256.99 -16%
Milwaukee Instruments MA871 Digital Brix Refractometer, Range 0-85%
In Stock: 207
$190.97 $199.00 -4%
SUNPACK Tri-Meter Moisture, Light & pH | Measures Moisture, Light & pH
In Stock: 20
$131.00 / $13.10 per unit
(minimum purchase of 10)
Bluelab Combo Meter | 6.5ft Probe Cable
In Stock: 60
$346.84 $467.38 -26%
Bluelab Truncheon Nutrient Meter V2 | 40cm L - 16 in. L
In Stock: 36
$108.74 $143.38 -24%
Active Air 2-Way Moisture/pH Meter
In Stock: 1022
$7.91 $11.84 -33%
Bluelab Conductivity Standard Solution | 250ml - 2.77 EC - Designed for Bluelab Products
In Stock: 156
$73.74 / $12.29 per unit
(minimum purchase of 6)
Active Air 2-Way pH & Moisture Meter | 1ct
In Stock: 13
$9.81 $13.99 -30%
Bluelab pH 4.0 Calibration Solutions | 500mL- Designed for Bluelab Products
In Stock: 455
$130.80 / $21.80 per unit
(minimum purchase of 6)
Bluelab Conductivity Standard Solution | 120ml - 2.77EC
In Stock: 73
$97.92 / $16.32 per unit
(minimum purchase of 6)
Bluelab pH 4.0 Calibration Solution | 250ml - Designed for Bluelab Products
In Stock: 452
$71.04 / $11.84 per unit
(minimum purchase of 6)
Active Aqua Grow Flow Ebb and Gro Controller Unit w/2 Pumps
In Stock: 60
$327.03 $389.33 -16%
Milwaukee Instruments pH 600 pH Tester w/1 Point Manual Calibration
In Stock: 93
$32.76 $35.00 -6%
GroStar pH calibration kit (pH 4/7, 8 oz. each)
In Stock: 101
$15.95 $18.99 -16%
Bluelab Conductivity Standard Solution | 500mL- 2.77 EC - Designed for Bluelab Products
In Stock: 25
$131.70 / $21.95 per unit
(minimum purchase of 6)
Dilution Solutions HM Digital/EC Calibration Solution | 1000 PPM
In Stock: 29
$8.36 $8.95 -7%
GroStar GS3 EC Pen
In Stock: 92
$95.75 $113.99 -16%
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