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pH Meters

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Bluelab Connect pH Controller | for Bluelab Connect Devices
Out of stock
$667.59
Bluelab pH Controller | 6.5ft Probe Cable - Dose pH Up or pH Down
In stock
$625.82
Bluelab Guardian Monitor In-Line Connect | 10 ft In-line Probe Cable
Out of stock
$525.55
Bluelab Guardian Monitor Connect | 6.5ft Probe Cable
In stock
$400.23
Bluelab Guardian Monitor | 6.5ft Probe Cable
In stock
$358.44
Bluelab Combo Meter Plus | Measures pH, Conductivity & Temperature
In stock
$325.03
Bluelab Combo Meter | 6.5ft Probe Cable
In stock
$274.89
Bluelab Multimedia pH Meter | 6.5ft Probe Cable
In stock
$249.83
GroStar GS2 Soil pH Pen
In stock
$200.45 $256.99 -22%
Bluelab Soil pH Pen
Out of stock
$166.28
Bluelab pH Probe Inline | 3/4in NPT Thread - Use with 1in Adapter
In stock
$166.28
GroStar GS2-E replacement Soil Spear pH electrode
In stock
$141.95 $181.99 -22%
GroStar GS4 pH/EC/500ppm/700ppm/Temp (5-in-1) Combo Pen
Out of stock
$139.61 $178.99 -22%
Hanna GroLine Waterproof Hydroponic pH Tester
Out of stock
$126.99
Bluelab Leap pH Probe | For Bluelab Combo Meter - Bluelab Combo Meter Plus - and Bluelab Multimedia pH Meters
In stock
$112.80
Bluelab pH Pen Meter | Measures pH and Temperature
In stock
$99.43
Save 18%
GroStar GS1 pH Pen
In stock
$94.63 $115.99 -18%
Save 18%
Dilution Solutions Pro HM Digital pH Meter | 7.3in x 1.3in x 1.3in
In stock
$81.86 $99.95 -18%
Bluelab Combo Meter pH Replacement Probe | pH probe
In stock
$70.19
GroStar GS4-E replacement pH/EC combo electrode
In stock
$62.39 $79.99 -22%
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