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Meters & Testing

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Active Air
3-Way Analog Meter
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$12.95
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
Hanna
pH Digital Meter (waterproof)
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$78.95
General Hydroponics
pH Test Kit (1oz)
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$7.95
Milwaukee Instruments
pH Tester with 1 Point Manual Calculation
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$34.95
BlueLab
Pulse MultiMeter - EC/MC
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$299.95
Luster Leaf
Rapitest Soil Test Kit
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$17.95
Soil Savvy
Soil Test Kit
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$34.95
General Hydroponics
Standard Reference Solution (1500 PPM)
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$8.95
HM Digital
TDS/EC Digital Meter (water resistant)
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$46.95