Choose your product line
Start with the GH nutrient line you use.
Choose a General Hydroponics nutrient program based on your product line, growing method, and production goals.
How feed programs work
Feed programs combine the familiar GH feed chart with interactive tools that help you choose a schedule, calculate nutrient amounts, understand growth phases, and follow weekly feeding targets.
Start with the GH nutrient line you use.
Select the program that matches your products, grow style, or schedule format.
Review the summary, calculate your mix, then follow the weekly layout.
Feed chart vs. feed program
The downloadable PDF reference. Best for printing, saving, or checking offline.
The interactive online version. Best for choosing schedules, calculating mix amounts, and following week-by-week guidance.
What’s inside each feed program
Choose the feeding strength or program type that fits your grow.
See the full program by growth phase at a glance.
Estimate how much nutrient to mix for your reservoir size.
Follow exact week-by-week feeding guidance.
See which GH nutrients are used in the program.
Save or print the original PDF feed chart.