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Meters & Controllers

2-in-1 EC + Temp Sensor for Reservoir
In Stock: 13
$93.15 $100.28 -7%
Heavy Duty Nutrient pH Sensor, drop-in/in-line compatible
In Stock: 16
$202.75 $219.45 -8%
pH Sensor for Reservoir
In Stock: 34
$80.82 $88.20 -8%
Inline EC+Temp Sensor, Heavy Duty
In Stock: 10
$202.75 $219.45 -8%
Heavy Duty Nutrient EC+Temp Sensor drop-in/inline compatible
In Stock: 15
$224.67 $241.50 -7%
Hanna® Instruments Portable pH/EC/TDS Meter — HI9813-51
In Stock: 4
$369.89 $391.49 -6%
Gardener Select® Moisture, pH & Light Meter — 3-in-1
In Stock: 1524
$133.92 / $11.16 per unit
(minimum purchase of 12)
Bluelab® OnePen — pH, Conductivity (EC) & Temperature with Replaceable Probe
In Stock: 52
$249.00
Gardener Select® Moisture Meter — Blue
In Stock: 684
$108.36 / $9.03 per unit
(minimum purchase of 12)
Gardener Select® Moisture & pH Meter — 2-in-1
In Stock: 5400
$115.92 / $9.66 per unit
(minimum purchase of 12)
Gardener Select® pH Meter — Blue
In Stock: 215
$100.56 / $8.38 per unit
(minimum purchase of 12)
Bluelab Guardian Monitor | Wi-Fi
In Stock: 40
$459.00
HM Digital pH / TDS / EC / Temp meter
In Stock: 397
$151.47 $171.38 -12%
HM Digital Dual TDS Monitor (DM-3)
In Stock: 63
$29.91 $78.45 -62%
HM Digital Hydromaster - Continuous pH/TDS/EC/Temp meter
In Stock: 169
$195.97 $296.79 -34%
HM Digital Hydromaster Portable - pH/TDS/EC/Temp
In Stock: 178
$138.82 $273.17 -49%
HM Digital LeakBlock Sensor
In Stock: 38
$22.65 $59.40 -62%
Bluelab Guardian Monitor Inline, Wi-Fi
In Stock: 22
$675.00
HM Digital 4 in 1 PH/EC/TDS/TEMP Combo
In Stock: 48
$106.39 $209.36 -49%
HM Digital Replacement TDS/EC sensor for HM-200
In Stock: 20
$18.36 $48.17 -62%
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