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Meters & Controllers

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128
GH pH 4.01 Calibration Solution Quart (12/Cs)
In Stock: 14
$14.79 $25.75 -43%
Luster Leaf Rapitest Digital Soil pH Meter | Results From 3.5 - 9.0
In Stock: 228
$174.24 / $14.52 per unit
(minimum purchase of 12)
Milwaukee Instruments pH 7 Calibration Solution, 20 ml Sachets, case of 25
Out of stock
$14.01 $22.99 -39%
Milwaukee Instruments pH 7.01 Solution, 230 ml
In Stock: 185
$13.21 $13.90 -5%
Milwaukee Instruments pH 4.01 Calibration Solution, 230 ml
In Stock: 83
$12.64 $13.90 -9%
GroStar EC Calibration Kit (2.77 EC, 8 oz. each)
In Stock: 102
$12.50 $14.99 -17%
SUNPACK 2-Function Plant Sensor Meter | 2-Function - Measures Soil Moisture & pH
In Stock: 230
$117.40 / $11.74 per unit
(minimum purchase of 10)
SUNPACK Tri-Meter Moisture, Light & pH | Measures Moisture, Light & pH
In Stock: 20
$117.00 / $11.70 per unit
(minimum purchase of 10)
Bluelab Conductivity Standard Solution | 250ml - 2.77 EC - Designed for Bluelab Products
In Stock: 187
$66.90 / $11.15 per unit
(minimum purchase of 6)
Bluelab pH 4.0 Calibration Solution | 250ml - Designed for Bluelab Products
In Stock: 524
$64.44 / $10.74 per unit
(minimum purchase of 6)
Bluelab pH 7.0 Calibration Solutions | 250ml - Designed for Bluelab Products
In Stock: 650
$64.44 / $10.74 per unit
(minimum purchase of 6)
Hydrofarm Active Air 3-Way Meter
In Stock: 51
$10.09 $14.99 -33%
Active Air 2-Way pH & Moisture Meter | 1ct
In Stock: 13
$9.11 $13.99 -35%
Active Air 3-Way Meter
In Stock: 74
$8.88 $13.09 -32%
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
$8.22 $19.99 -59%
Dilution Solutions HM Digital/EC Calibration Solution | 1000 PPM
In Stock: 29
$8.05 $8.95 -10%
Active Air 2-Way Moisture/pH Meter
In Stock: 1018
$8.02 $11.84 -32%
HM Digital 1000 ppm TDS Calibration Solution, 3 oz (90 ml)
In Stock: 86
$7.91 $9.49 -17%
Dilution Solutions EC Calibration Solution | 20pc Box
In Stock: 225
$7.77 $24.95 -69%
Dilution Solutions PH Storage Solution | 60cc
Out of stock
$7.16 $7.95 -10%
HM Digital PH-STOR pH Electrode Storage Solution
In Stock: 41
$7.08 $8.49 -17%
Plastair Wrox Color Change Moisture Indicator | 3pc
Out of stock
$78.72 / $6.56 per unit
(minimum purchase of 12)
GH pH 7.01 Calibration Solution 8 oz (12/Cs)
In Stock: 6
$5.21 $9.03 -42%
GH pH 7.01 Calibration Solution Quart (12/Cs)
In Stock: 1
$3.11 $25.75 -88%
CYCO pH Up 250 mL
In Stock: 914
$2.12 $7.50 -72%
Hydro-Logic Flowmaster 1/4 in QC gallonage & filter capacity monitor 0.1-1.0 GP
In Stock: 92
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Sure Test Temperature and Relative Humidity Data-Logger
Out of stock
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GH pH 4.01 Calibration Solution 8 oz (12/Cs)
Out of stock
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Link4 iPonic Alert Hydroponic Alarm | Single Zone
Out of stock
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Link4 iPonic Alert Hydroponic Alarm | Dual Zone
Out of stock
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