Filters

pH & PPM Measurement

Bluelab Conductivity/PPM Pen - TheHydroPlug
Save 15%
$ 67.00
$ 57.00

Bluelab Conductivity/PPM Pen

Hydro4Less

FREE SHIPPING. The ultimate handy solution for measuring conductivity (EC or ppm) and temperature! The Bluelab EC or ppm Pen simply tells you that ...

View full details
$ 67.00
$ 57.00
Save 15%
Bluelab Grower's Toolbox Limited Edition - pH PPM Pen Blue Lab Meter Tester NEW - TheHydroPlug
Sold out
$ 127.99

Bluelab Grower's Toolbox Limited Edition - pH PPM Pen Blue Lab Meter Tester NEW

Hydro4Less

MAIN FEATURES Toolbox includes; Bluelab pH Pen and Bluelab ppm Pen With bonus: Bluelab Grow Book and pH and Conductivity Probe care kit Probe Car...

View full details
$ 127.99
Sold out
BlueLab Guardian Monitor - pH Temp EC Conductivity Meter Hydroponic - TheHydroPlug
$ 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...

View full details
$ 245.00
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™ ...

View full details
$ 98.99
Bluelab Replacement pH Electrode Probe for pH Meters, Guardian Monitors - TheHydroPlug
$ 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 ...

View full details
$ 47.99
Bluelab Soil pH Pen - TheHydroPlug
Save 16%
$ 160.00
$ 135.00

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...

View full details
$ 160.00
$ 135.00
Save 16%
Bluelab Truncheon Nutrient Meter - TheHydroPlug
Save 21%
$ 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...

View full details
$ 120.00
$ 95.00
Save 21%

You recently viewed

Clear recently viewed