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Meters & Controllers

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Bluelab Conductivity Pen Meter | Measures Conductivity and Temperature
In stock
$93.26
2-in-1 EC + Temp Sensor for Reservoir
In stock
$91.79 $100.28 -8%
Milwaukee Instruments EC40 PRO EC/TDS Nutrient Meter
In stock
$91.17 $95.00 -4%
Dilution Solutions Pro HM Digital pH Meter | 7.3in x 1.3in x 1.3in
In stock
$85.01 $99.95 -15%
Bluelab Combo Meter pH Replacement Probe | pH probe
In stock
$81.72
pH Sensor for Reservoir
In stock
$79.64 $88.20 -10%
Aeromixer Aerobuddy Timer + Power Controller
In stock
$78.98 $79.00
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%
Dilution Solutions HM Digital Meter | 7.3in x 1.3in x 1.3in
Out of stock
$63.75 $74.95 -15%
Gardena Smart Flow Water Meter
In stock
$48.84 $58.99 -17%
GroStar GS3-E replacement EC electrode
In stock
$44.70 $53.99 -17%
GroStar GS1-E replacement pH electrode
In stock
$42.21 $50.99 -17%
HM Digital Hydromaster Replacement EC/TDS Probe
Out of stock
$41.39 $49.99 -17%
HM Digital PH-80 pH/Temperature Meter
In stock
$38.53 $46.50 -17%
Dilution Solutions HM Digital pH Tester | 6in x 1.7in x .7in
Out of stock
$37.66 $49.95 -25%
HM Digital COM-80 EC/TDS/Temp Waterproof Hydro Tester
In stock
$35.56 $42.95 -17%
Dilution Solutions HM Digital EC Tester | 6in x 1.7in x .7in
In stock
$33.99 $39.95 -15%
HM Digital Replacement pH Sensor Probe for HM-500
In stock
$31.88 $59.99 -47%
Hanna Electrode Storage Solution
In stock
$31.08
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