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pH & PPM Measurement

BlueLab Guardian Monitor - pH Temp EC Conductivity Meter Hydroponic - TheHydroPlug
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$ 245.00

BlueLab Guardian Monitor - pH Temp EC Conductivity Meter Hydroponic

Hydro4Less

The simplest and most effective reservoir monitor you could ever own! The Bluelab Guardian Monitor provides 24 hour continuous reading for pH, cond...

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$ 245.00
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Bluelab Leap pH Probe PH/EC/TDS Meters & Solutions Part & System For Hydroponics - TheHydroPlug
$ 98.99

Bluelab Leap pH Probe PH/EC/TDS Meters & Solutions Part & System For Hydroponics

Hydro4Less

Reliably measure the pH level across a wide range ofmedia. Suitable for use with all Bluelab® products that usea BNC connection.The Bluelab® Leap™ ...

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$ 98.99
Bluelab Replacement pH Electrode Probe for pH Meters, Guardian Monitors - TheHydroPlug
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$ 47.99

Bluelab Replacement pH Electrode Probe for pH Meters, Guardian Monitors

Hydro4Less

A replacement probe for Bluelab Combo and pH Meters, and Guardian Monitors The Bluelab pH Probe is a replacement pH probe (electrode) suitable for ...

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$ 47.99
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Bluelab Soil pH Pen - TheHydroPlug
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$ 160.00
$ 155.95

Bluelab Soil pH Pen

Hydro4Less

FREE SHIPPING. A handy solution made easy! The Bluelab Soil pH Pen provides a pH and temperature reading of soils and media, so you know that the r...

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$ 160.00
$ 155.95
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Bluelab Truncheon Nutrient Meter - TheHydroPlug
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$ 120.00
$ 95.00

Bluelab Truncheon Nutrient Meter

Hydro4Less

FREE SHIPPING. The World’s favorite conductivity meter. Simply brilliant, brilliantly simple! It is essential when growing with a hydroponic soluti...

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$ 120.00
$ 95.00
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