Grow Guide - NFT A-Frame System

Contents

Prepared and compiled by Riaan Burger - 2026

Page 3
What the guide helps you do

Use the Grow Guide from seedling to harvest: setup, daily readings, crop care, symptoms and corrections in one practical guide.

What is included

Seven clear chapters covering seedlings, system setup, EC, pH, TDS, flow, crops, routines, troubleshooting and harvest decisions.

01

Seedlings & Germination

The first step before plants go into the system.

  • Germination
  • NFT, tunnel and open ground
  • Seedlings falling over
  • Hardening off
P. 4
02

NFT, EC, pH, TDS & Oxygen

The core readings that determine whether the plant can use water and nutrition.

  • What each reading means
  • Target ranges
  • pH and nutrient uptake
  • Flow and oxygen
P. 8
03

System Setup

From empty pipes to a system that is ready for the first plants.

  • A-frame setup
  • Pumps and pipes
  • Net pots and spacing
  • Pre-start checks
P. 15
04

Crops & Parameters

Practical crop guidelines and how different plants respond.

  • Lettuce and rocket
  • Spinach and kale
  • Plant age
  • Harvest windows
P. 24
05

Must-Do and Never-Do Rules

The simple rules that prevent most system problems.

  • Daily checks
  • What never to do
  • Pump failures
  • Filters and water movement
P. 36
06

Monitoring Logbook

How learners and teachers record and compare daily data.

  • Daily readings
  • Observations
  • Patterns over time
  • Possible measuring errors
P. 43
07

Troubleshooting

From symptom to cause to correction.

  • EC, pH and TDS
  • Temperature and flow
  • Root problems
  • What to correct first
P. 51