Stories, knowledge & advice from growth loving humans.
RootZone: The Organic Additive for Stronger Roots
RootZone is a kelp-based organic stimulant designed to enhance root growth and plant vitality. Learn what it does, how to dose it, and why it should always be used alongside a complete nutrient solution.
Beyond NPK: What Nutrient Labels Don't Tell You
NPK measures three nutrients. Your plant depends on twelve.
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.
Featured Category
Educational Videos
Expert growers, real plants, real results—educational videos featuring Sydney Plant Guy and the GT products he relies on.
Focus Range: Science-Backed Nutrition for Growing Confidence
Explore Growth Technology Australia's Focus Range—premium, science-backed nutrient solutions designed around outcomes like foliage, flowering, herbs, and all-round growth.
GT Silica: The Forgotten Element for Stronger Plants
Silica strengthens cell walls, supports photosynthesis, and improves stress resistance. Learn how to dose and mix GT Silica correctly—including the right order and why pH testing protects nutrient availability.
Can Focus products be used in hydroponics?
Yes, all GT nutrients are formulated based on hydroponic principles, reflecting our deep roots as commercial hydroponic growers. What makes our nutrients special is their versatility.
Grower Profiles
Read the stories of different growers in our community.
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.
MoreGrowers Profiles
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.
Plant Profiles
Growing tips, environment information and nutrient recommendations for popular plants.
Featured Plants
Top Products
pH DROP
GT OXY 3%
Foliage Focus
pH Lift
Complete Focus
Mailing List
Stay in the loop with Growth Technology and signup to our email list. Plant specific nutrition through a triple foundation of literature review, ongoing experimentation and patient observation of plants in all growth stages.
Signup for the latest news, articles and announcements from GT.
Top FAQs
Explore our library of most commonly asked questions. FAQs are categorised across plant types, growing method, growth median and general categories of resources.
How long does Clonex remain effective after opening?
Clonex Gel is guaranteed to be effective for up to two years if the recommended guidelines are followed.
Is GT pH Lift safe to store and ship?
Yes.
Can I use GT pH Lift across different growing systems?
Yes.
How much GT pH Lift should I use?
Add GT pH Lift gradually using a dropper, mix well, and re-test before adding more.
How do I know if my pH is too low?
When pH drops too low, plants can struggle to efficiently absorb essential nutrients, which may lead to nutrient imbalances, reduced growth, root stress, and poor overall plant performance.
What is GT pH Lift made from?
GT pH Lift is a potassium carbonate based solution.
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.
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.
What is GT pH Drop made from?
GT pH Drop is a citric acid based solution.
How should I store GT Oxy 3%?
Store in a cool, well-ventilated place away from direct light, and always keep the bottle upright.
Is GT Oxy 3% safe to use during propagation and on seedlings?
Yes.
Product Highlight
Sets the benchmark for plant-specific liquid nutrients and fertilisers and additives.
Mailing List
Stay in the loop with Growth Technology and signup to our email list. Plant specific nutrition through a triple foundation of literature review, ongoing experimentation and patient observation of plants in all growth stages.
Signup for the latest news, articles and announcements from GT.
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.
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.
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.
Hydroponics – what is it?
Hydroponics is a sustainable and efficient way to grow plants without soil, using a nutrient-rich water solution.