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Meters & Controllers

Bluelab Guardian Monitor | 6.5ft Probe Cable
Out of stock
$402.46 $555.70 -28%
Bluelab pH Pen Meter | Measures pH and Temperature
In Stock: 359
$126.08 $172.35 -27%
SUNPACK 2-Function Plant Sensor Meter | 2-Function - Measures Soil Moisture & pH
In Stock: 230
$12.46 $15.79 -21%
Luster Leaf Rapitest Digital Soil pH Meter | Results From 3.5 - 9.0
In Stock: 228
$15.41 $21.29 -28%
GroStar pH Probe Maintanence Kit
In Stock: 87
$19.86 $23.99 -17%
Bluelab pH 7.0 Calibration Solutions | 500mL- Designed for Bluelab Products
In Stock: 675
$21.49 $28.73 -25%
Bluelab Combo Meter pH Replacement Probe | pH probe
In Stock: 370
$92.79 $126.85 -27%
Milwaukee Instruments pH600 Digital pH Pen
In Stock: 320
$35.03
Bluelab pH Probe Inline | 3/4in NPT Thread - Use with 1in Adapter
In Stock: 50
$215.40 $288.16 -25%
Bluelab Commercial Truncheon Nutrient Meter | Measures EC, CF, & PPM
In Stock: 25
$160.91 $213.70 -25%
HM Digital Replacement pH Sensor Probe for HM-500
Out of stock
$31.88 $59.99 -47%
Dilution Solutions HM Digital pH Tester | 6in x 1.7in x .7in
Out of stock
$40.06 $49.95 -20%
Bluelab Conductivity Pen Meter | Measures Conductivity and Temperature
In Stock: 89
$108.22 $144.77 -25%
Bluelab pH 7.0 Calibration Solutions | 250ml - Designed for Bluelab Products
In Stock: 680
$11.67 $15.63 -25%
Bluelab pH Controller | 6.5ft Probe Cable - Dose pH Up or pH Down
Out of stock
$729.12 $756.13 -4%
P3 International Save a Drop Water Meter
In Stock: 3255
$16.52 $19.95 -17%
Bluelab Combo Meter Plus | Measures pH, Conductivity & Temperature
In Stock: 23
$411.20 $550.11 -25%
Active Air 3-Way Meter
In Stock: 599
$8.62 $13.09 -34%
Bluelab Leap pH Probe | For Bluelab Combo Meter - Bluelab Combo Meter Plus - and Bluelab Multimedia pH Meters
In Stock: 178
$149.45 $199.92 -25%
Bluelab Probe Care Kit | for Bluelab pH Probes
In Stock: 15
$26.74 $34.48 -22%
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