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Meters & Controllers

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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%
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Inline EC+Temp Sensor, Heavy Duty
In stock
$189.43 $219.45 -14%
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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 Soil pH Pen
In stock
$176.00 $178.75 -2%
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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%
Bluelab Multimedia pH Meter | 6.5ft Probe Cable
In stock
$173.16 $255.74 -32%
Bluelab Connect Range Extender | for Bluelab Connect Devices and Connect Stick
In stock
$155.36 $202.71 -23%
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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%
Save 2%
Bluelab Commercial Truncheon Nutrient Meter | Measures EC, CF, & PPM
In stock
$130.53 $132.57 -2%
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Hanna GroLine Waterproof Hydroponic pH Tester
Out of stock
$127.99 $129.99 -2%
Save 15%
Bluelab Connect Stick 2 | for Bluelab Connect Devices
In stock
$124.61 $147.11 -15%
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