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Meters & Testing

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BlueLab
2.77 EC Conductivity Standard Solution
•••••
$12.95
-30%
Active Air
3-Way Analog Meter
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$12.95 $9.06
-30%
Hanna
Gro-Line pH Digital Meter (waterproof)
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$85.95 $60.16
-30%
Hanna
GroLine pH 4.01 Buffer Sachets (20 mL)
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$1.95 $1.36
-30%
Hanna
GroLine pH 7.01 Buffer Sachets (20 mL)
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$1.95 $1.36
Hanna
Hanna (1413) µS/cm Conductivity Standard (20ml)
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$1.95
GROW1
Indoor & Outdoor Temperature And Humidity Hygrometer w/ Probe
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$18.95
-30%
Milwaukee Instruments
Milwaukee pH Digital Meter / Tester
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$32.95 $23.06
-30%
Nute Tools
Nute Meter (3 in 1)( pH + TDS + Temp Pen)
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$59.95 $41.96
-30%
Nute Tools
Nute Tools Calibration Solution 4.0 (250ml)
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$10.95 $7.66
Apogee
PAR/ppfd Meter - Extended Range (340 to 1040nm)
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$575.00
Apogee
PAR/ppfd Meter Sensor Wand
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$59.95
-30%
Milwaukee Instruments
pH 4.01 Calibration Solution (230 ml)
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$10.95 $7.66
-30%
General Hydroponics
pH Test Kit (1oz)
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$7.95 $5.56
HM Digital
PPM/TDS Calibration Solution (3oz )
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$9.95
-30%
GroLine
Quick Calibration Solution for GroLine pH and EC Meters (1 x 20 mL sachets)
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$1.95 $1.36
Luster Leaf
Rapitest Soil Test Kit
•••••
$17.95
Soil Savvy
Soil Test Kit
•••••
$34.95
-30%
General Hydroponics
Standard Reference Solution (1500 PPM)
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$8.95 $6.26
Sure Test
Sure Test® Temperature and Relative Humidity Data-Logger
•••••
$89.95
HM Digital
TDS/EC Digital Meter (water resistant)
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$46.95
Taylor Precision Products
Temperature/Humidity Gauge (12")
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$28.95