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Meters & Controllers

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32
Bluelab Truncheon Nutrient Meter V2 | 40cm L - 16 in. L
In Stock: 36
$110.29 $143.38 -23%
1.25" Digital Flow Meter
In Stock: 10
$104.99 $110.25 -5%
GroStar GS1 pH Pen
In Stock: 286
$101.91 $115.99 -12%
Bluelab Connect Range Extender | for Bluelab Connect Devices and Connect Stick
In Stock: 11
$100.96 $202.71 -50%
1" Digital Flow Meter
In Stock: 12
$99.39 $103.95 -4%
Bluelab Connect Stick 2 | for Bluelab Connect Devices
In Stock: 170
$97.70 $147.11 -34%
Dilution Solutions Pro HM Digital pH Meter | 7.3in x 1.3in x 1.3in
In Stock: 7
$96.60 $99.95 -3%
GroStar GS3 EC Pen
In Stock: 97
$95.75 $113.99 -16%
Bluelab Combo Meter pH Replacement Probe | pH probe
In Stock: 398
$95.48 $126.85 -25%
2-in-1 EC + Temp Sensor for Reservoir
In Stock: 9
$95.19 $100.28 -5%
Milwaukee Instruments EC40 PRO EC/TDS Nutrient Meter
In Stock: 95
$92.23 $95.00 -3%
pH Sensor for Reservoir
In Stock: 15
$82.59 $88.20 -6%
Aeromixer Aerobuddy Timer + Power Controller
In Stock: 39
$81.90
HM Digital HydroMaster Portable/Wall Mount/Bench Continuous pH/EC/TDS/Temp
Out of stock
$76.32 $359.00 -79%
Dilution Solutions HM Digital Meter | 7.3in x 1.3in x 1.3in
Out of stock
$72.44 $74.95 -3%
Blumat Digital Moisture Meter | 12in
Out of stock
$68.05 $85.99 -21%
GroStar GS4-E replacement pH/EC combo electrode
In Stock: 88
$67.19 $79.99 -16%
Gardena Smart Flow Water Meter
Out of stock
$49.55 $58.99 -16%
GroStar GS3-E replacement EC electrode
In Stock: 100
$45.35 $53.99 -16%
GroStar GS1-E replacement pH electrode
In Stock: 101
$42.83 $50.99 -16%
HM Digital Hydromaster Replacement EC/TDS Probe
Out of stock
$41.99 $49.99 -16%
Dilution Solutions HM Digital pH Tester | 6in x 1.7in x .7in
Out of stock
$40.93 $49.95 -18%
HM Digital COM-80 EC/TDS/Temp Waterproof Hydro Tester
In Stock: 97
$39.69 $42.95 -8%
HM Digital PH-80 pH/Temperature Meter
In Stock: 132
$39.09 $46.50 -16%
Dilution Solutions HM Digital EC Tester | 6in x 1.7in x .7in
Out of stock
$37.49 $39.95 -6%
Bluelab Probe Care Kit | for Bluelab pH & Conductivity Probes
In Stock: 76
$35.27 $45.51 -23%
Hanna Electrode Storage Solution
In Stock: 10
$34.99
Milwaukee Instruments pH 600 pH Tester w/1 Point Manual Calibration
In Stock: 99
$33.98 $35.00 -3%
Milwaukee Instruments pH600 Digital pH Pen
In Stock: 259
$33.01 $34.00 -3%
HM Digital Replacement pH Sensor Probe for HM-500
Out of stock
$32.80 $59.99 -45%
Hanna 4.01 pH Buffer Solution | 500ml
In Stock: 16
$27.99
Hanna 7.01 pH Buffer Solution | 500ml
In Stock: 16
$27.99
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