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Rootline Supply Co.
Rootline Supply Co. provides reliable tools and products for growers, gardeners, and cultivators who care about quality. We’re focused...
6K
10 months 3 days
Grand Rapids, US
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Meters & Controllers

Hanna Electrode Storage Solution - HI 70300 - For pH Electrode Preservation
In Stock: 6
$29.69 $34.99 -15%
Hanna pH 4.0 Buffer Calibration Solution - 500ml - NIST Traceable
In Stock: 4
$29.03 $31.89 -9%
Hanna General Purpose Electrode Cleaning Solution - HI 7061M - 230ml
In Stock: 4
$25.07 $27.54 -9%
Plastair Wrox Color Change Moisture Indicator | 3pc
In Stock: 12
$85.32 / $7.11 per unit
(minimum purchase of 12)
Hanna® Instruments Portable pH/EC/TDS Meter — HI9813-51
In Stock: 4
$356.39 $391.49 -9%
Gardener Select® Moisture, pH & Light Meter — 3-in-1
In Stock: 1416
$130.20 / $10.85 per unit
(minimum purchase of 12)
Gardener Select® Moisture Meter — Blue
In Stock: 6528
$105.36 / $8.78 per unit
(minimum purchase of 12)
Bluelab® OnePen — pH, Conductivity (EC) & Temperature with Replaceable Probe
In Stock: 53
$249.00
Gardener Select® pH Meter — Blue
In Stock: 3047
$97.68 / $8.14 per unit
(minimum purchase of 12)
Gardener Select® Moisture & pH Meter — 2-in-1
In Stock: 4908
$112.56 / $9.38 per unit
(minimum purchase of 12)
Bluelab Guardian Monitor | Wi-Fi
In Stock: 44
$459.00
Bluelab Guardian Monitor Inline | Wi-Fi
In Stock: 29
$675.00
HM Digital Hydromaster - Continuous pH/TDS/EC/Temp meter
In Stock: 173
$190.45 $296.79 -36%
HM Digital LeakBlock Sensor
In Stock: 38
$22.01 $59.40 -63%
HM Digital pH 4.0 buffer solution - 20 packets of 20 ml
In Stock: 205
$23.29 $26.74 -13%
HM Digital pH / TDS / EC / Temp meter
In Stock: 397
$149.26 $171.38 -13%
HM Digital 4 in 1 PH/EC/TDS/TEMP Combo
In Stock: 48
$103.39 $209.36 -51%
HM Digital Pro Series Pen style ORP/Temp meter
In Stock: 21
$61.69 $166.55 -63%
HM Digital Replacement TDS/EC sensor for HM-200
In Stock: 20
$17.84 $48.17 -63%
HM Digital Dual TDS Monitor (DM-3)
In Stock: 63
$29.06 $78.45 -63%
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