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pH Meters

Bluelab pH Pen Meter - Measures pH and Temperature
Out of stock
$99.00
Bluelab Multimedia pH Meter - 6.5ft Probe Cable - For Soil, Coco, Rockwool, and Solution
In Stock: 28
$138.99 $209.00 -33%
Luster Leaf Rapitest Digital Soil pH Meter - 3.5 to 9.0 pH Range
In Stock: 311
$232.20 / $19.35 per unit
(minimum purchase of 12)
GroStar GS4 5-in-1 Combo Pen
In Stock: 81
$150.35 $178.99 -16%
Sunpack 2-Function Plant Sensor Meter - Soil Moisture and pH
In Stock: 10
$131.50 / $13.15 per unit
(minimum purchase of 10)
GroStar GS2 Soil pH Pen
In Stock: 118
$215.87 $256.99 -16%
Bluelab pH Probe Inline - 3/4in NPT - For Guardian Monitor Connect Inline
Out of stock
$209.00
Bluelab Soil pH Pen - Direct Measurement in Soil, Coco Coir, and Potting Mixes
Out of stock
$199.00
Bluelab Combo Meter pH Replacement Probe
Out of stock
$90.00
Milwaukee Instruments pH600 Digital pH Pen
Out of stock
$34.00
Bluelab Combo Meter Plus - Measures pH, Conductivity, and Temperature
In Stock: 9
$399.00
Hydrofarm Active Air 2-Way Meter - Moisture and pH
In Stock: 10
$9.81 $13.99 -30%
GroStar pH Probe Maintenance Kit
In Stock: 75
$20.15 $23.99 -16%
Bluelab Leap pH Probe - for Combo Meter - Combo Meter Plus - and Multimedia pH Meter
In Stock: 105
$145.00
Luster Leaf Rapitest Light and Moisture Meter - Dual Tester
In Stock: 86
$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 Combo Meter - Measures pH, Conductivity, and Temperature - 6.5ft Probe Cable
In Stock: 2
$339.00
GroStar GS1 pH Pen
In Stock: 159
$98.27 $115.99 -15%
Hanna Standard Conductivity Solution - 500ml - 1413 µS/cm - NIST Traceable
In Stock: 7
$29.69 $31.89 -7%
Milwaukee Instruments pH 600 pH Tester w/1 Point Manual Calibration
Out of stock
$23.86 $35.00 -32%
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