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Meters & Controllers

GroStar GS4 pH/EC/500ppm/700ppm/Temp (5-in-1) Combo Pen
In Stock: 64
$149.27 $178.99 -17%
Bluelab Leap pH Probe | For Bluelab Combo Meter - Bluelab Combo Meter Plus - and Bluelab Multimedia pH Meters
In Stock: 171
$161.87 $199.92 -19%
Bluelab Multimedia pH Meter | 6.5ft Probe Cable
In Stock: 113
$173.30 $255.74 -32%
Bluelab Guardian Monitor Connect | 6.5ft Probe Cable
Out of stock
$501.06 $620.47 -19%
Bluelab Pulse Multimedia EC & MC Meter | Measures EC, Moisture & Temperature
In Stock: 36
$389.59 $481.18 -19%
Hort2O Digital Hygro-Thermometer | 9.8ft Temperature Sensor - Digital Display - Measures Temperatures 32°F to 122°F - Measures Humidity 20% to 98%
In Stock: 134
$19.92 $19.99
Luster Leaf Rapitest Light & Moisture Meter | Dual Tester
In Stock: 104
$162.60 / $27.10 per unit
(minimum purchase of 6)
Bluelab Combo Meter | 6.5ft Probe Cable
In Stock: 90
$370.29 $467.38 -21%
GroStar GS2 Soil pH Pen
In Stock: 114
$214.32 $256.99 -17%
Bluelab Soil pH Pen
In Stock: 12
$235.02 $288.16 -18%
SUNPACK Tri-Meter Moisture, Light & pH | Measures Moisture, Light & pH
In Stock: 20
$132.90 / $13.29 per unit
(minimum purchase of 10)
Hanna GroLine Waterproof Hydroponic pH Tester
Out of stock
$136.99 $139.99 -2%
Bluelab Conductivity Standard Solution | 250ml - 2.77 EC - Designed for Bluelab Products
In Stock: 174
$77.04 / $12.84 per unit
(minimum purchase of 6)
Bluelab Truncheon Nutrient Meter V2 | 40cm L - 16 in. L
In Stock: 40
$116.08 $143.38 -19%
Milwaukee Instruments MA871 Digital Brix Refractometer, Range 0-85%
In Stock: 408
$193.80 $199.00 -3%
Active Air 2-Way Moisture/pH Meter
In Stock: 1018
$8.41 $11.84 -29%
Bluelab pH 4.0 Calibration Solutions | 500mL- Designed for Bluelab Products
In Stock: 120
$139.56 / $23.26 per unit
(minimum purchase of 6)
Bluelab Conductivity Standard Solution | 120ml - 2.77EC
In Stock: 189
$104.52 / $17.42 per unit
(minimum purchase of 6)
Active Air 2-Way pH & Moisture Meter | 1ct
In Stock: 13
$10.47 $13.99 -25%
Bluelab pH 4.0 Calibration Solution | 250ml - Designed for Bluelab Products
In Stock: 458
$75.84 / $12.64 per unit
(minimum purchase of 6)
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