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Meters & Controllers

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Bluelab Connect pH Controller | for Bluelab Connect Devices
In stock
$654.45 $667.59 -2%
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Bluelab pH Controller | 6.5ft Probe Cable - Dose pH Up or pH Down
In stock
$613.50 $625.82 -2%
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Bluelab Guardian Monitor Connect | 6.5ft Probe Cable
In stock
$392.35 $400.23 -2%
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Bluelab Guardian Monitor | 6.5ft Probe Cable
In stock
$351.39 $358.44 -2%
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Bluelab Combo Meter Plus | Measures pH, Conductivity & Temperature
In stock
$318.63 $325.03 -2%
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Bluelab Pulse Multimedia EC & MC Meter | Measures EC, Moisture & Temperature
In stock
$277.67 $283.25 -2%
Active Aqua Grow Flow Ebb and Gro Controller Unit w/2 Pumps
In stock
$275.77 $360.49 -24%
HM Digital HydroMaster Portable/Wall Mount/Bench Continuous pH/EC/TDS/Temp
In stock
$274.12 $359.00 -24%
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Bluelab Combo Meter | 6.5ft Probe Cable
In stock
$269.48 $274.89 -2%
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Bluelab Multimedia pH Meter | 6.5ft Probe Cable
In stock
$244.92 $249.83 -2%
GroStar GS2 Soil pH Pen
In stock
$196.59 $256.99 -24%
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Milwaukee Instruments MA871 Digital Brix Refractometer, Range 0-85%
In stock
$174.34 $199.99 -13%
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Bluelab Soil pH Pen
In stock
$163.01 $166.28 -2%
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Bluelab pH Probe Inline | 3/4in NPT Thread - Use with 1in Adapter
In stock
$163.01 $166.28 -2%
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Bluelab Connect Range Extender | for Bluelab Connect Devices and Connect Stick
In stock
$162.29 $165.54 -2%
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Bluelab Connect Stick 2 | for Bluelab Connect Devices
In stock
$140.88 $143.71 -2%
GroStar GS2-E replacement Soil Spear pH electrode
In stock
$139.22 $181.99 -24%
GroStar GS4 pH/EC/500ppm/700ppm/Temp (5-in-1) Combo Pen
In stock
$136.92 $178.99 -24%
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Hanna GroLine Waterproof Hydroponic pH Tester
Out of stock
$124.49 $126.99 -2%
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Bluelab Commercial Truncheon Nutrient Meter | Measures EC, CF, & PPM
In stock
$122.05 $124.50 -2%
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