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Hydrofarm
With a strong portfolio of manufactured and distributed brands, we are one of the leading companies in the global Controlled Environment...
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10 months 3 days
Shoemakersville, US
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Meters & Controllers

HM Digital 1000 ppm TDS Calibration Solution, 3 oz (90 ml)
In Stock: 41
$10.41 $10.99 -5%
GroStar pH 4/7/10 Calibration Kit
In Stock: 36
$24.00 $28.99 -17%
1" Digital Flow Meter
In Stock: 14
$93.71 $103.95 -10%
GroStar GS1-E Replacement Electrode
In Stock: 96
$42.21 $50.99 -17%
HM Digital COM-80 EC/TDS/Temp Waterproof Hydro Tester
In Stock: 59
$46.40 $52.99 -12%
GroStar EC 2.77 Calibration Kit
In Stock: 4
$12.41 $14.99 -17%
GroStar GS3-E Replacement Electrode
In Stock: 98
$44.70 $53.99 -17%
1.5" Digital Flow Meter
In Stock: 10
$104.27 $115.50 -10%
HM Digital Hydromaster Replacement EC/TDS Probe
Out of stock
$48.29 $57.99 -17%
HM Digital PH-STOR pH Electrode Storage Solution
In Stock: 43
$7.65 $8.99 -15%
1.25" Digital Flow Meter
In Stock: 10
$98.99 $110.25 -10%
Inline pH Sensor, Heavy Duty
In Stock: 14
$174.23 $197.40 -12%
Water Content Sensor with Cable Set
In Stock: 48
$213.83 $241.50 -11%
Aqua-X Plus Controller with AMP-3 Sensor Board,Free App
In Stock: 8
$1,231.55 $1,258.95 -2%
Aqua-X Controller with Water Detector set, Free App
In Stock: 84
$323.39 $348.60 -7%
Aqua-X Pro Controller with AMP-3 Sensor Board,Free App
In Stock: 12
$2,492.75 $2,623.95 -5%
Heavy Duty Nutrient pH Sensor, drop-in/in-line compatible
In Stock: 16
$195.35 $219.45 -11%
2-in-1 EC + Temp Sensor for Reservoir
In Stock: 14
$89.75 $100.28 -11%
pH Sensor for Reservoir
In Stock: 35
$77.87 $88.20 -12%
Inline EC+Temp Sensor, Heavy Duty
In Stock: 10
$195.35 $219.45 -11%
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