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pH Meters

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GroStar GS1-E replacement pH electrode
In stock
$39.00 $50.99 -24%
HM Digital PH-80 pH/Temperature Meter
In stock
$35.60 $46.50 -23%
Dilution Solutions HM Digital pH Tester | 6in x 1.7in x .7in
Out of stock
$34.79 $49.95 -30%
Save 13%
Milwaukee Instruments pH600 Digital pH Pen
In stock
$27.83 $31.99 -13%
Milwaukee Instruments pH 600 pH Tester w/1 Point Manual Calibration
In stock
$26.25 $32.99 -20%
Luster Leaf Rapitest Light & Moisture Meter | Dual Tester
In stock
$20.08 $29.99 -33%
GroStar pH Probe Maintanence Kit
In stock
$18.35 $23.99 -24%
Luster Leaf Rapitest Digital Soil pH Meter | Results From 3.5 - 9.0
In stock
$14.24 $21.29 -33%
SUNPACK 2-Function Plant Sensor Meter | 2-Function - Measures Soil Moisture & pH
In stock
$9.86 $13.49 -27%
Hydrofarm Active Air 3-Way Meter
In stock
$9.33 $14.99 -38%
Active Air 2-Way pH & Moisture Meter | 1ct
In stock
$8.43 $13.99 -40%
Active Air 2-Way Moisture/pH Meter
In stock
$7.55 $11.84 -36%
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