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Meters & Controllers

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Bluelab Truncheon Nutrient Meter V2 | 40cm L - 16 in. L
In stock
$122.05 $124.50 -2%
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Bluelab Leap pH Probe | For Bluelab Combo Meter - Bluelab Combo Meter Plus - and Bluelab Multimedia pH Meters
In stock
$110.58 $112.80 -2%
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Bluelab pH Pen Meter | Measures pH and Temperature
In stock
$97.47 $99.43 -2%
Save 14%
Milwaukee Instruments EC40 PRO EC/TDS Nutrient Meter
In stock
$93.73 $108.99 -14%
GroStar GS1 pH Pen
In stock
$92.81 $115.99 -20%
GroStar GS3 EC Pen
In stock
$87.20 $113.99 -24%
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Bluelab Conductivity Pen Meter | Measures Conductivity and Temperature
In stock
$81.10 $82.73 -2%
Dilution Solutions Pro HM Digital pH Meter | 7.3in x 1.3in x 1.3in
In stock
$80.29 $99.95 -20%
Save 8%
Aeromixer Aerobuddy Timer + Power Controller
In stock
$72.83 $79.00 -8%
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Bluelab Combo Meter pH Replacement Probe | pH probe
In stock
$68.81 $70.19 -2%
GroStar GS4-E replacement pH/EC combo electrode
In stock
$61.19 $79.99 -24%
Blumat Digital Moisture Meter | 12in
Out of stock
$61.10 $85.99 -29%
HM Digital Replacement pH Sensor Probe for HM-500
In stock
$45.89 $59.99 -24%
Gardena Smart Flow Water Meter
In stock
$45.12 $58.99 -24%
GroStar GS3-E replacement EC electrode
In stock
$41.30 $53.99 -24%
GroStar GS1-E replacement pH electrode
In stock
$39.00 $50.99 -24%
HM Digital Hydromaster Replacement EC/TDS Probe
Out of stock
$38.24 $49.99 -24%
Save 16%
HM Digital COM-80 EC/TDS/Temp Waterproof Hydro Tester
In stock
$36.15 $42.95 -16%
HM Digital PH-80 pH/Temperature Meter
In stock
$35.60 $46.50 -23%
Dilution Solutions HM Digital pH Tester | 6in x 1.7in x .7in
Out of stock
$34.79 $49.95 -30%
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