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Hydroponics: A Broad Overview
How to grow hydroponically: systems, crops, nutrients, pests, disease, lighting and greenhouses.
- 31 lessons across 12 sections
- 25 quiz questions
- Free to read, no account needed

Hydroponic School
Two courses, written from our own farms and installations in South Africa. One teaches you how to grow. The other tells you whether it will pay.
Work through them in either order — but most growers start with the growing course and then run the numbers.
How to grow hydroponically: systems, crops, nutrients, pests, disease, lighting and greenhouses.
Whether a hydroponic farm will make money: market analysis, costing, a worked financial model and payback.