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Meters & Controllers

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64
Hydro Systems E-Dos Electric Pump Flow Meter Kit | with Clamp on Fittings
Out of stock
$2,993.45 $3,059.00 -2%
Aqua-X Pro Controller with AMP-3 Sensor Board,Free App
In Stock: 9
$2,537.23 $2,623.95 -3%
Bluelab Connect Pro Controller | Remote Monitoring of pH, EC and Temperature
Out of stock
$1,412.28 $1,812.17 -22%
Aqua-X Plus Controller with AMP-3 Sensor Board,Free App
In Stock: 9
$1,278.20
Bluelab pH Controller | 6.5ft Probe Cable - Dose pH Up or pH Down
Out of stock
$739.92 $756.13 -2%
Bluelab Guardian Monitor In-Line Connect | 10 ft In-line Probe Cable
Out of stock
$590.18 $814.77 -28%
Bluelab Guardian Monitor Connect | 6.5ft Probe Cable
Out of stock
$469.31 $620.47 -24%
Bluelab Combo Meter Plus | Measures pH, Conductivity & Temperature
In Stock: 24
$417.16 $550.11 -24%
Bluelab Guardian Monitor | 6.5ft Probe Cable
Out of stock
$408.30 $555.70 -27%
Bluelab Pulse Multimedia EC & MC Meter | Measures EC, Moisture & Temperature
In Stock: 40
$364.91 $481.18 -24%
Bluelab Combo Meter | 6.5ft Probe Cable
In Stock: 103
$346.84 $467.38 -26%
Aqua-X Controller with Water Detector set, Free App
In Stock: 65
$335.64 $348.60 -4%
Active Aqua Grow Flow Ebb and Gro Controller Unit w/2 Pumps
In Stock: 68
$327.03 $389.33 -16%
Hanna pH, EC & TDS Tester | High Range
In Stock: 2
$287.69 $293.99 -2%
Heavy Duty Nutrient EC+Temp Sensor drop-in/inline compatible
In Stock: 16
$224.67 $241.50 -7%
Water Content Sensor with Cable Set
In Stock: 12
$221.93 $241.50 -8%
Bluelab Soil pH Pen
In Stock: 13
$220.14 $288.16 -24%
Bluelab pH Probe Inline | 3/4in NPT Thread - Use with 1in Adapter
In Stock: 36
$218.53 $288.16 -24%
GroStar GS2 Soil pH Pen
In Stock: 143
$215.87 $256.99 -16%
Inline EC+Temp Sensor, Heavy Duty
In Stock: 11
$202.75 $219.45 -8%
Heavy Duty Nutrient pH Sensor, drop-in/in-line compatible
In Stock: 11
$202.75 $219.45 -8%
Milwaukee Instruments MA871 Digital Brix Refractometer, Range 0-85%
In Stock: 426
$193.80 $199.00 -3%
Inline pH Sensor, Heavy Duty
In Stock: 9
$180.83 $197.40 -8%
Bluelab Multimedia pH Meter | 6.5ft Probe Cable
In Stock: 115
$170.86 $255.74 -33%
Bluelab Commercial Truncheon Nutrient Meter | Measures EC, CF, & PPM
In Stock: 25
$163.24 $213.70 -24%
GroStar GS2-E replacement Soil Spear pH electrode
In Stock: 102
$152.87 $181.99 -16%
Bluelab Leap pH Probe | For Bluelab Combo Meter - Bluelab Combo Meter Plus - and Bluelab Multimedia pH Meters
In Stock: 189
$151.62 $199.92 -24%
GroStar GS4 pH/EC/500ppm/700ppm/Temp (5-in-1) Combo Pen
In Stock: 199
$150.35 $178.99 -16%
Bluelab pH Pen Meter | Measures pH and Temperature
In Stock: 351
$127.90 $172.35 -26%
Hanna GroLine Waterproof Hydroponic pH Tester
Out of stock
$126.04 $139.99 -10%
Bluelab Conductivity Pen Meter | Measures Conductivity and Temperature
In Stock: 107
$109.79 $144.77 -24%
Bluelab Truncheon Nutrient Meter V2 | 40cm L - 16 in. L
In Stock: 44
$108.74 $143.38 -24%
1.5" Digital Flow Meter
In Stock: 11
$108.22 $115.50 -6%
1.25" Digital Flow Meter
In Stock: 10
$102.74 $110.25 -7%
GroStar GS1 pH Pen
In Stock: 286
$99.72 $115.99 -14%
Bluelab Connect Range Extender | for Bluelab Connect Devices and Connect Stick
In Stock: 11
$99.54 $202.71 -51%
1" Digital Flow Meter
In Stock: 12
$97.26 $103.95 -6%
Bluelab Connect Stick 2 | for Bluelab Connect Devices
In Stock: 170
$96.32 $147.11 -35%
GroStar GS3 EC Pen
In Stock: 98
$95.75 $113.99 -16%
Dilution Solutions Pro HM Digital pH Meter | 7.3in x 1.3in x 1.3in
In Stock: 340
$94.53 $99.95 -5%
Bluelab Combo Meter pH Replacement Probe | pH probe
In Stock: 441
$94.14 $126.85 -26%
2-in-1 EC + Temp Sensor for Reservoir
In Stock: 9
$93.15 $100.28 -7%
Milwaukee Instruments EC40 PRO EC/TDS Nutrient Meter
In Stock: 95
$90.26 $95.00 -5%
pH Sensor for Reservoir
In Stock: 7
$80.82 $88.20 -8%
Aeromixer Aerobuddy Timer + Power Controller
In Stock: 63
$80.14
HM Digital HydroMaster Portable/Wall Mount/Bench Continuous pH/EC/TDS/Temp
Out of stock
$75.25 $359.00 -79%
Dilution Solutions HM Digital Meter | 7.3in x 1.3in x 1.3in
Out of stock
$70.88 $74.95 -5%
GroStar GS4-E replacement pH/EC combo electrode
In Stock: 88
$67.19 $79.99 -16%
Blumat Digital Moisture Meter | 12in
Out of stock
$67.09 $85.99 -22%
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
$40.64 $49.95 -19%
HM Digital PH-80 pH/Temperature Meter
In Stock: 138
$38.53 $46.50 -17%
Dilution Solutions HM Digital EC Tester | 6in x 1.7in x .7in
Out of stock
$36.69 $39.95 -8%
HM Digital COM-80 EC/TDS/Temp Waterproof Hydro Tester
In Stock: 88
$36.08 $42.95 -16%
Bluelab Probe Care Kit | for Bluelab pH & Conductivity Probes
In Stock: 76
$34.78 $45.51 -24%
Hanna Electrode Storage Solution
In Stock: 10
$34.24 $34.99 -2%
Milwaukee Instruments pH 600 pH Tester w/1 Point Manual Calibration
In Stock: 99
$33.25 $35.00 -5%
HM Digital Replacement pH Sensor Probe for HM-500
Out of stock
$32.34 $59.99 -46%
Milwaukee Instruments pH600 Digital pH Pen
In Stock: 275
$32.30 $34.00 -5%
Hanna 4.01 pH Buffer Solution | 500ml
In Stock: 15
$27.39 $27.99 -2%
Hanna 7.01 pH Buffer Solution | 500ml
In Stock: 15
$27.39 $27.99 -2%
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