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Meters & ControllersProducts found: 89

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Bluelab Connect Pro Controller | Remote Monitoring of pH, EC and Temperature
In stock
$1,013.58 $1,196.52 -15%
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Bluelab Connect pH Controller | for Bluelab Connect Devices
In stock
$578.88 $683.36 -15%
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Bluelab pH Controller | 6.5ft Probe Cable - Dose pH Up or pH Down
In stock
$542.66 $640.60 -15%
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Bluelab Guardian Monitor In-Line Connect | 10 ft In-line Probe Cable
Out of stock
$529.69 $537.97 -2%
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Bluelab Guardian Monitor Connect | 6.5ft Probe Cable
In stock
$347.04 $409.68 -15%
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Bluelab Combo Meter Plus | Measures pH, Conductivity & Temperature
In stock
$336.00 $341.25 -2%
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Bluelab Guardian Monitor | 6.5ft Probe Cable
In stock
$310.82 $366.91 -15%
Active Aqua Grow Flow Ebb and Gro Controller Unit w/2 Pumps
In stock
$298.48 $389.33 -23%
Save 17%
HM Digital HydroMaster Portable/Wall Mount/Bench Continuous pH/EC/TDS/Temp
In stock
$296.70 $359.00 -17%
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Bluelab Pulse Multimedia EC & MC Meter | Measures EC, Moisture & Temperature
In stock
$293.90 $298.49 -2%
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Bluelab Combo Meter | 6.5ft Probe Cable
In stock
$285.48 $289.94 -2%
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Hanna pH, EC & TDS Tester | High Range
Out of stock
$247.56 $251.43 -2%
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Bluelab Multimedia pH Meter | 6.5ft Probe Cable
In stock
$216.99 $255.74 -15%
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GroStar GS2 Soil pH Pen
In stock
$212.78 $256.99 -17%
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Milwaukee Instruments MA871 Digital Brix Refractometer, Range 0-85%
In stock
$181.07 $199.00 -9%
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Bluelab Soil pH Pen
In stock
$176.00 $178.75 -2%
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Bluelab pH Probe Inline | 3/4in NPT Thread - Use with 1in Adapter
In stock
$176.00 $178.75 -2%
Bluelab Connect Range Extender | for Bluelab Connect Devices and Connect Stick
In stock
$155.36 $202.71 -23%
Save 17%
GroStar GS2-E replacement Soil Spear pH electrode
In stock
$150.68 $181.99 -17%
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GroStar GS4 pH/EC/500ppm/700ppm/Temp (5-in-1) Combo Pen
In stock
$148.20 $178.99 -17%
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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%
Save 9%
Milwaukee Instruments EC40 PRO EC/TDS Nutrient Meter
In stock
$86.44 $95.00 -9%
Save 16%
Dilution Solutions Pro HM Digital pH Meter | 7.3in x 1.3in x 1.3in
In stock
$83.75 $99.95 -16%
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Bluelab Combo Meter pH Replacement Probe | pH probe
In stock
$77.48 $78.69 -2%
Save 5%
Aeromixer Aerobuddy Timer + Power Controller
In stock
$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%
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Dilution Solutions HM Digital Meter | 7.3in x 1.3in x 1.3in
Out of stock
$62.80 $74.95 -16%
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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%
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HM Digital Hydromaster Replacement EC/TDS Probe
Out of stock
$41.39 $49.99 -17%
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HM Digital PH-80 pH/Temperature Meter
In stock
$38.53 $46.50 -17%
Save 12%
HM Digital COM-80 EC/TDS/Temp Waterproof Hydro Tester
In stock
$37.71 $42.95 -12%
Dilution Solutions HM Digital pH Tester | 6in x 1.7in x .7in
Out of stock
$37.66 $49.95 -25%
Save 16%
Dilution Solutions HM Digital EC Tester | 6in x 1.7in x .7in
In stock
$33.49 $39.95 -16%
Hanna Electrode Storage Solution
In stock
$29.47
Milwaukee Instruments pH600 Digital pH Pen
In stock
$29.03
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Bluelab Meter Carrying Case | Meter Not Included
In stock
$28.63 $29.08 -2%
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Bluelab Probe Care Kit | for Bluelab pH & Conductivity Probes
In stock
$27.80 $28.24 -2%
Save 9%
Milwaukee Instruments pH 600 pH Tester w/1 Point Manual Calibration
In stock
$27.30 $30.00 -9%
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Hydrofarm Electronic Water Timer
In stock
$26.07 $31.49 -17%
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Hanna General-Purpose Cleaning Solution | 230ml
In stock
$24.31 $24.69 -2%
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GroStar pH calibration kit (pH 4/7/10, 8 oz. each)
In stock
$24.00 $28.99 -17%
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Hanna 4.01 pH Buffer Solution | 500ml
In stock
$23.56 $23.93 -2%
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Hanna 7.01 pH Buffer Solution | 500ml
Out of stock
$23.56 $23.93 -2%
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Hanna EC Conductivity Calibration Solution | 1, 413 µS/cm
In stock
$23.56 $23.93 -2%
HM Digital TDS-3 Handheld TDS meter
In stock
$22.76 $33.99 -33%
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Bluelab pH Probe KCl Storage Solution | 250ml
In stock
$21.90 $22.24 -2%
Luster Leaf Rapitest Light & Moisture Meter | Dual Tester
In stock
$21.74 $29.99 -28%
Save 1%
Bluelab Probe Care Kit | for Bluelab pH Probes
In stock
$21.06 $21.38 -1%
Save 16%
Dilution Solutions PH Calibration Solution | 20pcs
In stock
$20.92 $24.95 -16%
Save 17%
GroStar pH Probe Maintanence Kit
In stock
$19.86 $23.99 -17%
Save 2%
Bluelab Conductivity Standard Solution | 500mL- 2.77 EC - Designed for Bluelab Products
In stock
$17.56 $17.84 -2%
Save 2%
Bluelab pH 4.0 Calibration Solutions | 500mL- Designed for Bluelab Products
In stock
$17.56 $17.84 -2%
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CannaBasics
CannaBasics

Premium Cultivation Equipment & Supplies for Craft and Commercial Growers

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