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Meters & Controllers

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Hanna GroLine Waterproof Hydroponic pH Tester
Out of stock
$126.99
Bluelab Commercial Truncheon Nutrient Meter | Measures EC, CF, & PPM
In stock
$124.50
Bluelab Truncheon Nutrient Meter V2 | 40cm L - 16 in. L
In stock
$124.50
Bluelab Leap pH Probe | For Bluelab Combo Meter - Bluelab Combo Meter Plus - and Bluelab Multimedia pH Meters
In stock
$112.80
Bluelab pH Pen Meter | Measures pH and Temperature
In stock
$99.43
Save 12%
Milwaukee Instruments EC40 PRO EC/TDS Nutrient Meter
In stock
$95.56 $108.99 -12%
Save 18%
GroStar GS1 pH Pen
In stock
$94.63 $115.99 -18%
GroStar GS3 EC Pen
Out of stock
$88.91 $113.99 -22%
Bluelab Conductivity Pen Meter | Measures Conductivity and Temperature
In stock
$82.73
Save 18%
Dilution Solutions Pro HM Digital pH Meter | 7.3in x 1.3in x 1.3in
In stock
$81.86 $99.95 -18%
Save 6%
Aeromixer Aerobuddy Timer + Power Controller
In stock
$74.30 $79.00 -6%
Bluelab Combo Meter pH Replacement Probe | pH probe
In stock
$70.19
GroStar GS4-E replacement pH/EC combo electrode
In stock
$62.39 $79.99 -22%
Blumat Digital Moisture Meter | 12in
Out of stock
$62.30 $85.99 -28%
Save 18%
Dilution Solutions HM Digital Meter | 7.3in x 1.3in x 1.3in
In stock
$61.39 $74.95 -18%
HM Digital Replacement pH Sensor Probe for HM-500
In stock
$46.79 $59.99 -22%
GroStar GS3-E replacement EC electrode
In stock
$42.11 $53.99 -22%
GroStar GS1-E replacement pH electrode
In stock
$39.77 $50.99 -22%
Save 19%
GARDENA Water Smart Flow Meter | Measures in Gallons or Liters
In stock
$39.65 $48.69 -19%
HM Digital Hydromaster Replacement EC/TDS Probe
Out of stock
$38.99 $49.99 -22%
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