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pH Meters

Bluelab pH Pen Meter | Measures pH and Temperature
In Stock: 288
$129.73 $172.35 -25%
SUNPACK 2-Function Plant Sensor Meter | 2-Function - Measures Soil Moisture & pH
In Stock: 10
$130.50 / $13.05 per unit
(minimum purchase of 10)
Luster Leaf Rapitest Digital Soil pH Meter | Results From 3.5 - 9.0
In Stock: 192
$230.52 / $19.21 per unit
(minimum purchase of 12)
GroStar pH Probe Maintanence Kit
In Stock: 76
$20.00 $23.99 -17%
Milwaukee Instruments pH600 Digital pH Pen
In Stock: 274
$29.19 $34.00 -14%
Bluelab Combo Meter pH Replacement Probe | pH probe
In Stock: 287
$95.48 $126.85 -25%
Bluelab pH Probe Inline | 3/4in NPT Thread - Use with 1in Adapter
In Stock: 32
$221.65 $288.16 -23%
HM Digital Replacement pH Sensor Probe for HM-500
Out of stock
$32.80 $59.99 -45%
Bluelab Combo Meter Plus | Measures pH, Conductivity & Temperature
In Stock: 20
$423.12 $550.11 -23%
GroStar GS4 pH/EC/500ppm/700ppm/Temp (5-in-1) Combo Pen
In Stock: 145
$125.29 $178.99 -30%
Bluelab Leap pH Probe | For Bluelab Combo Meter - Bluelab Combo Meter Plus - and Bluelab Multimedia pH Meters
In Stock: 187
$153.79 $199.92 -23%
Bluelab Multimedia pH Meter | 6.5ft Probe Cable
In Stock: 112
$173.30 $255.74 -32%
Luster Leaf Rapitest Light & Moisture Meter | Dual Tester
In Stock: 104
$162.60 / $27.10 per unit
(minimum purchase of 6)
Bluelab Soil pH Pen
In Stock: 11
$223.28 $288.16 -23%
Bluelab Combo Meter | 6.5ft Probe Cable
In Stock: 66
$351.79 $467.38 -25%
GroStar GS2 Soil pH Pen
In Stock: 114
$214.32 $256.99 -17%
Active Air 2-Way Moisture/pH Meter
In Stock: 1004
$8.41 $11.84 -29%
Active Air 2-Way pH & Moisture Meter | 1ct
In Stock: 13
$9.95 $13.99 -29%
Milwaukee Instruments pH 600 pH Tester w/1 Point Manual Calibration
In Stock: 85
$33.25 $35.00 -5%
Dilution Solutions Pro HM Digital pH Meter | 7.3in x 1.3in x 1.3in
In Stock: 338
$94.53 $99.95 -5%
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