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pH Meters

Bluelab Guardian Monitor | 6.5ft Probe Cable
Out of stock
$422.88 $555.70 -24%
Bluelab pH Pen Meter | Measures pH and Temperature
In Stock: 353
$132.47 $172.35 -23%
SUNPACK 2-Function Plant Sensor Meter | 2-Function - Measures Soil Moisture & pH
In Stock: 220
$126.80 / $12.68 per unit
(minimum purchase of 10)
Luster Leaf Rapitest Digital Soil pH Meter | Results From 3.5 - 9.0
In Stock: 216
$223.80 / $18.65 per unit
(minimum purchase of 12)
GroStar pH Probe Maintanence Kit
In Stock: 87
$20.15 $23.99 -16%
Milwaukee Instruments pH600 Digital pH Pen
In Stock: 320
$33.01 $34.00 -3%
Bluelab Combo Meter pH Replacement Probe | pH probe
In Stock: 423
$97.50 $126.85 -23%
Bluelab pH Probe Inline | 3/4in NPT Thread - Use with 1in Adapter
In Stock: 49
$226.33 $288.16 -21%
HM Digital Replacement pH Sensor Probe for HM-500
Out of stock
$33.50 $59.99 -44%
Dilution Solutions HM Digital pH Tester | 6in x 1.7in x .7in
Out of stock
$40.64 $49.95 -19%
Bluelab Combo Meter Plus | Measures pH, Conductivity & Temperature
In Stock: 23
$432.06 $550.11 -21%
Bluelab pH Controller | 6.5ft Probe Cable - Dose pH Up or pH Down
Out of stock
$756.13
GroStar GS4 pH/EC/500ppm/700ppm/Temp (5-in-1) Combo Pen
In Stock: 106
$150.35 $178.99 -16%
Bluelab Leap pH Probe | For Bluelab Combo Meter - Bluelab Combo Meter Plus - and Bluelab Multimedia pH Meters
In Stock: 178
$157.04 $199.92 -21%
Bluelab Multimedia pH Meter | 6.5ft Probe Cable
In Stock: 113
$176.96 $255.74 -31%
Bluelab Guardian Monitor Connect | 6.5ft Probe Cable
Out of stock
$486.07 $620.47 -22%
Luster Leaf Rapitest Light & Moisture Meter | Dual Tester
In Stock: 104
$157.92 / $26.32 per unit
(minimum purchase of 6)
Bluelab Combo Meter | 6.5ft Probe Cable
In Stock: 92
$359.22 $467.38 -23%
Bluelab Soil pH Pen
In Stock: 12
$228.00 $288.16 -21%
GroStar GS2 Soil pH Pen
In Stock: 143
$215.87 $256.99 -16%
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