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pH Meters

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32
Bluelab Connect Pro Controller | Remote Monitoring of pH, EC and Temperature
Out of stock
$1,205.72 $1,242.54 -3%
Bluelab Guardian Monitor In-Line Connect | 10 ft In-line Probe Cable
Out of stock
$542.10 $558.66 -3%
Bluelab pH Controller | 6.5ft Probe Cable - Dose pH Up or pH Down
In stock
$483.86 $640.60 -24%
Bluelab Connect pH Controller | for Bluelab Connect Devices
In stock
$434.66 $683.36 -36%
Bluelab Guardian Monitor Connect | 6.5ft Probe Cable
Out of stock
$412.83 $425.44 -3%
Bluelab Guardian Monitor | 6.5ft Probe Cable
Out of stock
$369.73 $381.02 -3%
Bluelab Combo Meter Plus | Measures pH, Conductivity & Temperature
In stock
$343.88 $354.38 -3%
Bluelab Combo Meter | 6.5ft Probe Cable
In stock
$292.17 $301.09 -3%
GroStar GS2 Soil pH Pen
In stock
$209.70 $256.99 -18%
Heavy Duty Nutrient pH Sensor, drop-in/in-line compatible
In stock
$193.87 $219.45 -12%
Bluelab Soil pH Pen
In stock
$180.12 $185.62 -3%
Bluelab pH Probe Inline | 3/4in NPT Thread - Use with 1in Adapter
In stock
$180.12 $185.62 -3%
Inline pH Sensor, Heavy Duty
In stock
$175.55 $197.40 -11%
Bluelab Multimedia pH Meter | 6.5ft Probe Cable
In stock
$154.40 $255.74 -40%
GroStar GS2-E replacement Soil Spear pH electrode
In stock
$148.50 $181.99 -18%
GroStar GS4 pH/EC/500ppm/700ppm/Temp (5-in-1) Combo Pen
In stock
$146.05 $178.99 -18%
Hanna GroLine Waterproof Hydroponic pH Tester
Out of stock
$130.99 $134.99 -3%
Bluelab Leap pH Probe | For Bluelab Combo Meter - Bluelab Combo Meter Plus - and Bluelab Multimedia pH Meters
In stock
$124.97 $128.79 -3%
Bluelab pH Pen Meter | Measures pH and Temperature
In stock
$107.73 $111.02 -3%
GroStar GS1 pH Pen
In stock
$98.99 $115.99 -15%
Dilution Solutions Pro HM Digital pH Meter | 7.3in x 1.3in x 1.3in
In stock
$85.64 $99.95 -14%
Bluelab Combo Meter pH Replacement Probe | pH probe
In stock
$79.29 $81.72 -3%
GroStar GS4-E replacement pH/EC combo electrode
In stock
$65.27 $79.99 -18%
HM Digital Replacement pH Sensor Probe for HM-500
In stock
$48.95 $59.99 -18%
GroStar GS1-E replacement pH electrode
In stock
$41.60 $50.99 -18%
HM Digital PH-80 pH/Temperature Meter
In stock
$37.97 $46.50 -18%
Dilution Solutions HM Digital pH Tester | 6in x 1.7in x .7in
Out of stock
$37.11 $49.95 -26%
Milwaukee Instruments pH600 Digital pH Pen
In stock
$29.71
Milwaukee Instruments pH 600 pH Tester w/1 Point Manual Calibration
In stock
$27.94 $30.00 -7%
Hanna EC Conductivity Calibration Solution | 1, 413 µS/cm
In stock
$24.12 $24.85 -3%
Luster Leaf Rapitest Light & Moisture Meter | Dual Tester
In stock
$21.42 $29.99 -29%
GroStar pH Probe Maintanence Kit
In stock
$19.57 $23.99 -18%
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