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Reference articles

Reference articles

Soil

An introduction to measuring pH direct in the root zone of your plants

Soil pH, soil EC - can these be measured?

Moisture, conductivity and custom media

Creating a Custom Calibrated Medium for the Pulse Meter

What is the difference between Bulk conductivity and Pore conductivity?

Nutrient Measurement with the Bluelab Pulse Meter

Moisture Measurement with the Bluelab Pulse Meter

Why does my Pulse App need a custom medium calibration?

What is water holding capacity?

When do I need to make a new custom calibrated medium for my Bluelab Pulse?

Pulse "Custom Calibrated Medium" - Explanation

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RO, distilled, deionised or pure water

RO water

Conductivity (Electrical Conductivity, Parts Per Million, Total Dissolved Solids)

EC Crop Values Chart

What is Conductivity? Why do I need to measure it? What do I use to measure it?

My nutrient readings are inaccurate, why?

What are the different conductivity scales? What do they mean?

The need for the conductivity probe shroud

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Bluelab Connect

Connect Keycode Location Help

pH (Potential Hydrogen)

What is the difference between a single & double junction probe?

What is pH? Why do I need to measure it? What do I use to measure it?

Why do we need to calibrate a pH probe?

Why is my pH reading drifting?

Temperature

How does Nutrient Solution Temperature affect pH?

Temperature readings inaccurate, why?

What is ATC?

General Information

Why is there a warning label on my Bluelab product?