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Meters & Controllers

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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%
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Bluelab Connect Stick 2 | for Bluelab Connect Devices
In stock
$124.61 $147.11 -15%
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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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Bluelab pH Pen Meter | Measures pH and Temperature
In stock
$105.27 $106.91 -2%
Save 17%
GroStar GS1 pH Pen
In stock
$96.81 $115.99 -17%
Bluelab Truncheon Nutrient Meter V2 | 40cm L - 16 in. L
In stock
$94.43 $128.70 -27%
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GroStar GS3 EC Pen
In stock
$94.38 $113.99 -17%
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Bluelab Conductivity Pen Meter | Measures Conductivity and Temperature
In stock
$88.42 $89.80 -2%
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Milwaukee Instruments EC40 PRO EC/TDS Nutrient Meter
In stock
$86.44 $95.00 -9%
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Bluelab Combo Meter pH Replacement Probe | pH probe
In stock
$77.48 $78.69 -2%
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Aeromixer Aerobuddy Timer + Power Controller
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$74.88 $79.00 -5%
Save 17%
GroStar GS4-E replacement pH/EC combo electrode
In stock
$66.23 $79.99 -17%
Blumat Digital Moisture Meter | 12in
Out of stock
$66.13 $85.99 -23%
Save 16%
Dilution Solutions HM Digital Meter | 7.3in x 1.3in x 1.3in
Out of stock
$62.80 $74.95 -16%
Save 17%
HM Digital Replacement pH Sensor Probe for HM-500
In stock
$49.67 $59.99 -17%
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Gardena Smart Flow Water Meter
In stock
$48.84 $58.99 -17%
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GroStar GS3-E replacement EC electrode
In stock
$44.70 $53.99 -17%
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GroStar GS1-E replacement pH electrode
In stock
$42.21 $50.99 -17%
Save 17%
HM Digital Hydromaster Replacement EC/TDS Probe
Out of stock
$41.39 $49.99 -17%
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