Meters & Controllers

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GroStar GS2 Soil pH Pen

Product Code:

AI31020

$212.78 $256.99 -17%

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HM Digital HydroMaster Portable/Wall Mount/Bench Continuous pH/EC/TDS/Temp

Product Code:

HMD500

$208.38 $359.00 -42%

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Bluelab Leap pH Probe | For Bluelab Combo Meter - Bluelab Combo Meter Plus - and Bluelab Multimedia pH Meters

Product Code:

BLBPROBPHLEAP

$199.92

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Inline EC+Temp Sensor, Heavy Duty

Product Code:

TRCPCT2

$199.79 $219.45 -9%

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Heavy Duty Nutrient pH Sensor, drop-in/in-line compatible

Product Code:

TRCPPH3

$199.79 $219.45 -9%

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$Milwaukee Instruments MA871 Digital Brix Refractometer, Range 0-85%$

Milwaukee Instruments MA871 Digital Brix Refractometer, Range 0-85%

Product Code:

MIMA871

$190.97 $199.00 -4%

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Inline pH Sensor, Heavy Duty

Product Code:

TRCPPH2

$178.19 $197.40 -10%

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Bluelab pH Pen Meter | Measures pH and Temperature

Product Code:

BLBPENPH

$172.35

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Bluelab Multimedia pH Meter | 6.5ft Probe Cable

Product Code:

BLBMETMULTI

$168.42 $255.74 -34%

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GroStar GS2-E replacement Soil Spear pH electrode

Product Code:

AI58020

$150.68 $181.99 -17%

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GroStar GS4 pH/EC/500ppm/700ppm/Temp (5-in-1) Combo Pen

Product Code:

AI21040

$148.20 $178.99 -17%

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Bluelab Conductivity Pen Meter | Measures Conductivity and Temperature

Product Code:

BLBPENCON

$144.77

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Bluelab Truncheon Nutrient Meter V2 | 40cm L - 16 in. L

Product Code:

BLBTRUNV2

$143.38

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Hanna GroLine Waterproof Hydroponic pH Tester

Product Code:

HIHI98118

$134.99

Bluelab Connect Range Extender | for Bluelab Connect Devices and Connect Stick

Product Code:

BLBCONEXTEND

$130.82 $202.71 -35%

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Dilution Solutions Pro HM Digital pH Meter | 7.3in x 1.3in x 1.3in

Product Code:

DILPH200

$130.76

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Bluelab Combo Meter pH Replacement Probe | pH probe

Product Code:

BLBPROBPH

$126.85

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Bluelab Connect Stick 2 | for Bluelab Connect Devices

Product Code:

BLBCONSTICK

$112.75 $147.11 -23%

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1.5" Digital Flow Meter

Product Code:

TRCDFM3

$106.64 $115.50 -8%

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1.25" Digital Flow Meter

Product Code:

TRCDFM2

$101.24 $110.25 -8%

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