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Meters & Controllers

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Hydro Systems E-Dos Electric Pump Flow Meter Kit | with Clamp on Fittings
Out of stock
$2,796.80 $2,840.50 -2%
Save 10%
Aqua-X Pro Controller with AMP-3 Sensor Board,Free App
In stock
$2,370.55 $2,623.95 -10%
Save 5%
Aqua-X Plus Controller with AMP-3 Sensor Board,Free App
In stock
$1,194.23 $1,258.95 -5%
Save 23%Save 23%
Bluelab Connect Pro Controller | Remote Monitoring of pH, EC and Temperature
In stock
$917.05 $1,196.52 -23%
Save 2%
Bluelab Guardian Monitor In-Line Connect | 10 ft In-line Probe Cable
Out of stock
$529.69 $537.97 -2%
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Bluelab Connect pH Controller | for Bluelab Connect Devices
In stock
$523.75 $683.36 -23%
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Bluelab pH Controller | 6.5ft Probe Cable - Dose pH Up or pH Down
In stock
$490.98 $640.60 -23%
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Bluelab Combo Meter Plus | Measures pH, Conductivity & Temperature
In stock
$336.00 $341.25 -2%
Save 17%
Active Aqua Grow Flow Ebb and Gro Controller Unit w/2 Pumps
In stock
$322.35 $389.33 -17%
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Aqua-X Controller with Water Detector set, Free App
In stock
$313.59 $348.60 -10%
Save 17%
HM Digital HydroMaster Portable/Wall Mount/Bench Continuous pH/EC/TDS/Temp
In stock
$296.70 $359.00 -17%
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Bluelab Pulse Multimedia EC & MC Meter | Measures EC, Moisture & Temperature
In stock
$293.90 $298.49 -2%
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Bluelab Combo Meter | 6.5ft Probe Cable
In stock
$285.48 $289.94 -2%
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Hanna pH, EC & TDS Tester | High Range
Out of stock
$247.56 $251.43 -2%
Save 17%
GroStar GS2 Soil pH Pen
In stock
$212.78 $256.99 -17%
Save 13%
Heavy Duty Nutrient EC+Temp Sensor drop-in/inline compatible
In stock
$209.91 $241.50 -13%
Save 14%
Water Content Sensor with Cable Set
In stock
$207.35 $241.50 -14%
Save 52%Save 52%
Bluelab Guardian Monitor Connect | 6.5ft Probe Cable
Out of stock
$198.31 $409.68 -52%
Save 14%
Inline EC+Temp Sensor, Heavy Duty
In stock
$189.43 $219.45 -14%
Save 14%
Heavy Duty Nutrient pH Sensor, drop-in/in-line compatible
In stock
$189.43 $219.45 -14%
Save 9%
Milwaukee Instruments MA871 Digital Brix Refractometer, Range 0-85%
In stock
$181.07 $199.00 -9%
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Bluelab Guardian Monitor | 6.5ft Probe Cable
In stock
$177.61 $366.91 -52%
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Bluelab Soil pH Pen
In stock
$176.00 $178.75 -2%
Save 2%
Bluelab pH Probe Inline | 3/4in NPT Thread - Use with 1in Adapter
In stock
$176.00 $178.75 -2%
Save 11%
Inline pH Sensor, Heavy Duty
In stock
$175.55 $197.40 -11%
Save 39%Save 39%
Bluelab Multimedia pH Meter | 6.5ft Probe Cable
In stock
$156.67 $255.74 -39%
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Bluelab Connect Range Extender | for Bluelab Connect Devices and Connect Stick
In stock
$155.36 $202.71 -23%
Save 17%
GroStar GS2-E replacement Soil Spear pH electrode
In stock
$150.68 $181.99 -17%
Save 17%
GroStar GS4 pH/EC/500ppm/700ppm/Temp (5-in-1) Combo Pen
In stock
$148.20 $178.99 -17%
Save 2%
Bluelab Commercial Truncheon Nutrient Meter | Measures EC, CF, & PPM
In stock
$130.53 $132.57 -2%
Save 2%
Hanna GroLine Waterproof Hydroponic pH Tester
Out of stock
$127.99 $129.99 -2%
Save 2%
Bluelab Leap pH Probe | For Bluelab Combo Meter - Bluelab Combo Meter Plus - and Bluelab Multimedia pH Meters
In stock
$122.11 $124.02 -2%
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