Educational Videos
GT on Garden Gurus: Feeding Indoor Plants
Featured Videos
GT Rootzone: Kelp-Based Support for Healthy Roots
Plant Nutrients and Fertilisers: Understanding the Difference
The Focus Range: Nutrition Shaped by Each Plant's Needs
All Videos
GT Silica: Strength Built at the Cell Wall
GT Clonex Clone Solution: Supporting Root Growth in Cuttings
Plant Hub Categories
Explore the Planthub
Read grower profiles, plant profiles, browse FAQs and checkout our videos.
Growers Profiles
Nora Mutalima: The Leca Queen
Nora Mutalima shares her journey from soil to semi-hydroponics, how Growth Technology products fuel her thriving indoor jungle, and why leca changed everything.
Tara Peeters
From childhood obsession to award-winning exhibitor, Tara Peeters shares how 25 years of orchid growing and a move from Victoria to Perth led her to discover GT products and transform her collection.
FAQs
What is the ideal pH range for my nutrient solution?
For most growing systems, a pH between 5.5 and 6.5 is recommended.
Can I use GT pH Drop across different growing systems?
Yes. GT pH Drop suits hydroponics, soil, coco coir, propagation and tissue culture, for hobby and commercial growers.
How much GT pH Drop should I use?
Add GT pH Drop gradually using a dropper, mix well, and re-test before adding more.
How do I know if my pH is too high?
If your pH is too high, plants may struggle to access key nutrients including iron, calcium, magnesium, and phosphorus.