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Meters & Controllers

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HM Digital Hydromaster Portable - pH/TDS/EC/Temp
In Stock: 147
$273.17
Hydro-Logic Flow Meter 1 in NPT 3-30 GPM for BIGboy
Out of stock
$270.56 $367.45 -26%
Hanna pH, EC & TDS Tester | High Range
In Stock: 2
$266.69
Heavy Duty Nutrient EC+Temp Sensor drop-in/inline compatible
In Stock: 8
$224.67 $241.50 -7%
Water Content Sensor with Cable Set
In Stock: 31
$221.93 $241.50 -8%
Hm Digital Hydromaster - Continuous Ph/Tds/Ec/Temp Meter
In Stock: 231
$218.63 $289.95 -25%
GroStar GS2 Soil pH Pen
In Stock: 114
$214.32 $256.99 -17%
HM Digital 4 in 1 PH/EC/TDS/TEMP Combo
In Stock: 40
$209.36
Hm Digital Hydromaster Portable - Ph/Tds/Ec/Temp
In Stock: 218
$207.32 $274.95 -25%
Inline EC+Temp Sensor, Heavy Duty
In Stock: 5
$202.75 $219.45 -8%
Heavy Duty Nutrient pH Sensor, drop-in/in-line compatible
In Stock: 3
$202.75 $219.45 -8%
Bluelab Soil pH Pen
In Stock: 12
$199.69
Bluelab pH Probe Inline | 3/4in NPT Thread - Use with 1in Adapter
In Stock: 50
$198.23
Milwaukee Instruments MA871 Digital Brix Refractometer, Range 0-85%
In Stock: 408
$193.80 $199.00 -3%
Inline pH Sensor, Heavy Duty
In Stock: 4
$180.83 $197.40 -8%
HM Digital pH / TDS / EC / Temp meter
In Stock: 443
$171.38
HM Digital Pro Series Pen style ORP/Temp meter
In Stock: 13
$166.55
Bluelab Multimedia pH Meter | 6.5ft Probe Cable
In Stock: 113
$158.65 $255.74 -38%
GroStar GS2-E replacement Soil Spear pH electrode
In Stock: 89
$151.77 $181.99 -17%
GroStar GS4 pH/EC/500ppm/700ppm/Temp (5-in-1) Combo Pen
In Stock: 64
$149.27 $178.99 -17%
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