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pH Meters

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Bluelab Connect Pro Controller | Remote Monitoring of pH, EC and Temperature
Out of stock
$1,224.13 $1,242.54 -1%
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Bluelab Guardian Monitor In-Line Connect | 10 ft In-line Probe Cable
Out of stock
$550.38 $558.66 -1%
Bluelab pH Controller | 6.5ft Probe Cable - Dose pH Up or pH Down
In stock
$490.98 $640.60 -23%
Bluelab Connect pH Controller | for Bluelab Connect Devices
In stock
$441.05 $683.36 -35%
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Bluelab Guardian Monitor Connect | 6.5ft Probe Cable
Out of stock
$419.14 $425.44 -1%
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Bluelab Guardian Monitor | 6.5ft Probe Cable
Out of stock
$375.38 $381.02 -1%
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Bluelab Combo Meter Plus | Measures pH, Conductivity & Temperature
In stock
$349.12 $354.38 -1%
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Bluelab Combo Meter | 6.5ft Probe Cable
In stock
$296.63 $301.09 -1%
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GroStar GS2 Soil pH Pen
In stock
$212.78 $256.99 -17%
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Heavy Duty Nutrient pH Sensor, drop-in/in-line compatible
In stock
$196.83 $219.45 -10%
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Bluelab Soil pH Pen
In stock
$182.88 $185.62 -1%
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Bluelab pH Probe Inline | 3/4in NPT Thread - Use with 1in Adapter
In stock
$182.88 $185.62 -1%
Save 11%
Inline pH Sensor, Heavy Duty
In stock
$175.55 $197.40 -11%
Bluelab Multimedia pH Meter | 6.5ft Probe Cable
In stock
$156.67 $255.74 -39%
Save 17%
GroStar GS2-E replacement Soil Spear pH electrode
In stock
$150.68 $181.99 -17%
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GroStar GS4 pH/EC/500ppm/700ppm/Temp (5-in-1) Combo Pen
In stock
$148.20 $178.99 -17%
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Hanna GroLine Waterproof Hydroponic pH Tester
Out of stock
$132.99 $134.99 -1%
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Bluelab Leap pH Probe | For Bluelab Combo Meter - Bluelab Combo Meter Plus - and Bluelab Multimedia pH Meters
In stock
$126.88 $128.79 -1%
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Bluelab pH Pen Meter | Measures pH and Temperature
In stock
$109.38 $111.02 -1%
Save 15%
GroStar GS1 pH Pen
In stock
$98.27 $115.99 -15%
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