🎬 Free course

Understanding nutrients

In eight short, interactive lessons you will learn how EC and pH work, how to spot deficiency symptoms, what N, P and K actually do, why you feed nothing at all during germination week, how to feed correctly through growth and bloom, what calcium and magnesium are about, how to tell too much from too little – and how to adjust deliberately. No jargon, just click through.

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Registered users only

This course is free – all you need is an account.

Measuring EC & pH

Why EC is a simple sum but pH is not – and how to use both in practice.

Spotting Nutrient Deficiencies Before They Get Serious

Reading the leaves – pattern, not guesswork.

Understanding NPK – What N, P and K Really Do

Function over memorising numbers.

Week zero: when the fertiliser pauses

The one phase of this course where feeding is the wrong question.

Feeding the Growth Phase vs. the Bloom Phase Correctly

Why the nutrient ratio shifts over time.

Calcium & Magnesium – the Second Team

Two nutrients, one product – but inside the plant they behave almost like rivals.

Too Much Looks Like Too Little

Excess has no warning light of its own – it disguises itself as a deficiency.

Fine-Tuning Nutrients on Purpose

Turning one dial instead of swapping the whole mix.