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Meters & Controllers

Bluelab Leap pH Probe - for Combo Meter - Combo Meter Plus - and Multimedia pH Meter
In Stock: 105
$145.00
Bluelab Pulse Multimedia EC and MC Meter - Measures EC, Moisture, and Temperature
In Stock: 14
$349.00
Bluelab pH 7.0 Calibration Solution - 500ml
Out of stock
$124.98 / $20.83 per unit
(minimum purchase of 6)
Luster Leaf Rapitest Light and Moisture Meter - Dual Tester
In Stock: 68
$160.20 / $26.70 per unit
(minimum purchase of 6)
Active Air 2-Way Moisture/pH Meter
In Stock: 475
$8.29 $11.84 -30%
Bluelab pH 7.0 Calibration Solution - 250ml
In Stock: 243
$69.00 / $11.50 per unit
(minimum purchase of 6)
Bluelab Truncheon Nutrient Meter V2 - 40cm - EC, CF, PPM 500, PPM 700
In Stock: 53
$105.00
Bluelab Combo Meter - Measures pH, Conductivity, and Temperature - 6.5ft Probe Cable
Out of stock
$339.00
Hydrofarm Electronic Water Timer
In Stock: 983
$26.45 $31.49 -16%
Active Aqua Grow Flow Ebb and Gro Controller Unit w/2 Pumps
In Stock: 103
$327.03 $389.33 -16%
GroStar GS3 EC Pen
In Stock: 80
$95.75 $113.99 -16%
GroStar pH 4/7 Calibration Kit
Out of stock
$15.95 $18.99 -16%
Hort2O Digital Hygro-Thermometer - 9.8ft Temperature Sensor - 32 to 122 Degrees F - 20% to 98% RH
In Stock: 60
$19.63 $19.99 -2%
GroStar GS1 pH Pen
In Stock: 157
$98.27 $115.99 -15%
Aeromixer Aerobuddy Timer & Power Controller
In Stock: 27
$60.28 $79.00 -24%
Bluelab pH 4.0 Calibration Solution - 250ml
In Stock: 156
$69.00 / $11.50 per unit
(minimum purchase of 6)
SUNPACK Tri-Meter Moisture, Light & pH | Measures Moisture, Light & pH
Out of stock
$59.10 / $5.91 per unit
(minimum purchase of 10)
Bluelab Conductivity Standard Solution - 250ml - 2.77 EC
In Stock: 115
$69.00 / $11.50 per unit
(minimum purchase of 6)
Dilution Solutions HM Digital EC Calibration Solution - 1000 PPM - NaCl
In Stock: 17
$4.82 $8.95 -46%
Bluelab pH 4.0 Calibration Solution - 500ml
Out of stock
$124.98 / $20.83 per unit
(minimum purchase of 6)
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