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Meters & Controllers

Bluelab pH 7.0 Calibration Solution - 500ml
In Stock: 445
$124.98 / $20.83 per unit
(minimum purchase of 6)
Bluelab Leap pH Probe - for Combo Meter - Combo Meter Plus - and Multimedia pH Meter
In Stock: 116
$145.00
Bluelab Pulse Multimedia EC and MC Meter - Measures EC, Moisture, and Temperature
In Stock: 22
$349.00
Luster Leaf Rapitest Light and Moisture Meter - Dual Tester
In Stock: 104
$162.60 / $27.10 per unit
(minimum purchase of 6)
Bluelab pH 7.0 Calibration Solution - 250ml
In Stock: 501
$69.00 / $11.50 per unit
(minimum purchase of 6)
Active Air 2-Way Moisture/pH Meter
In Stock: 525
$8.41 $11.84 -29%
Bluelab Truncheon Nutrient Meter V2 - 40cm - EC, CF, PPM 500, PPM 700
In Stock: 63
$105.00
Bluelab Combo Meter - Measures pH, Conductivity, and Temperature - 6.5ft Probe Cable
In Stock: 76
$339.00
Active Aqua Grow Flow Ebb and Gro Controller Unit w/2 Pumps
In Stock: 98
$324.69 $389.33 -17%
GroStar GS3 EC Pen
In Stock: 81
$95.06 $113.99 -17%
Hort2O Digital Hygro-Thermometer - 9.8ft Temperature Sensor - 32 to 122 Degrees F - 20% to 98% RH
In Stock: 80
$19.92 $19.99
GroStar pH 4/7 Calibration Kit
In Stock: 53
$15.83 $18.99 -17%
GroStar GS1 pH Pen
In Stock: 171
$99.72 $115.99 -14%
Bluelab Conductivity Standard Solution - 250ml - 2.77 EC
In Stock: 78
$69.00 / $11.50 per unit
(minimum purchase of 6)
SUNPACK Tri-Meter Moisture, Light & pH | Measures Moisture, Light & pH
Out of stock
$79.80 / $7.98 per unit
(minimum purchase of 10)
Hydrofarm Electronic Water Timer
In Stock: 1037
$26.26 $31.49 -17%
Bluelab pH 4.0 Calibration Solution - 500ml
In Stock: 371
$124.98 / $20.83 per unit
(minimum purchase of 6)
Bluelab pH 4.0 Calibration Solution - 250ml
In Stock: 361
$69.00 / $11.50 per unit
(minimum purchase of 6)
Bluelab Conductivity Standard Solution - 120ml - 2.77 EC
In Stock: 60
$100.56 / $16.76 per unit
(minimum purchase of 6)
Aeromixer Aerobuddy Timer & Power Controller
In Stock: 27
$61.15 $79.00 -23%
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