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Meters & Controllers

GroStar GS2 Soil pH Pen
In Stock: 141
$215.87 $256.99 -16%
Bluelab Pulse Multimedia EC & MC Meter | Measures EC, Moisture & Temperature
In Stock: 31
$364.91 $481.18 -24%
Bluelab Soil pH Pen
In Stock: 9
$220.14 $288.16 -24%
Hort2O Digital Hygro-Thermometer | 9.8ft Temperature Sensor - Digital Display - Measures Temperatures 32°F to 122°F - Measures Humidity 20% to 98%
In Stock: 108
$20.07
Luster Leaf Rapitest Light & Moisture Meter | Dual Tester
In Stock: 26
$163.80 / $27.30 per unit
(minimum purchase of 6)
Bluelab Combo Meter | 6.5ft Probe Cable
In Stock: 90
$346.84 $467.38 -26%
Bluelab Truncheon Nutrient Meter V2 | 40cm L - 16 in. L
In Stock: 40
$108.74 $143.38 -24%
SUNPACK Tri-Meter Moisture, Light & pH | Measures Moisture, Light & pH
In Stock: 20
$131.00 / $13.10 per unit
(minimum purchase of 10)
Active Air 2-Way Moisture/pH Meter
In Stock: 917
$8.29 $11.84 -30%
Active Air 2-Way pH & Moisture Meter | 1ct
In Stock: 13
$9.81 $13.99 -30%
Bluelab Conductivity Standard Solution | 250ml - 2.77 EC - Designed for Bluelab Products
In Stock: 132
$73.74 / $12.29 per unit
(minimum purchase of 6)
Active Aqua Grow Flow Ebb and Gro Controller Unit w/2 Pumps
In Stock: 73
$327.03 $389.33 -16%
Milwaukee Instruments pH 600 pH Tester w/1 Point Manual Calibration
In Stock: 9
$23.86 $35.00 -32%
Bluelab Conductivity Standard Solution | 120ml - 2.77EC
In Stock: 171
$97.92 / $16.32 per unit
(minimum purchase of 6)
Bluelab pH 4.0 Calibration Solution | 250ml - Designed for Bluelab Products
In Stock: 313
$71.04 / $11.84 per unit
(minimum purchase of 6)
Bluelab pH 4.0 Calibration Solutions | 500mL- Designed for Bluelab Products
In Stock: 497
$130.80 / $21.80 per unit
(minimum purchase of 6)
GroStar GS3 EC Pen
In Stock: 88
$95.75 $113.99 -16%
GroStar pH calibration kit (pH 4/7, 8 oz. each)
In Stock: 39
$15.95 $18.99 -16%
GroStar GS1 pH Pen
In Stock: 269
$100.45 $115.99 -13%
Hanna EC Conductivity Calibration Solution | 1, 413 µS/cm
In Stock: 14
$30.35
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