Growth Technology GT Foliar RTU | Ready-to-Use Leaf Spray for Faster Plant Growth

Fix Slow Growth, Weak Leaves & Nutrient Deficiencies—Fast

If your plants are showing slow growth, pale leaves, nutrient deficiencies, or stress, root feeding alone isn't always enough.

GT Foliar RTU is a powerful ready-to-use foliar spray designed to deliver nutrients directly through the leaves, giving your plants an instant boost in health, colour, and growth performance.

The go-to choice for growers searching for a foliar spray for plants in Australia, a fast fix for nutrient deficiencies, or a reliable plant stress recovery spray.

Why GT Foliar RTU Works So Fast

• Instant Nutrient Uptake via Leaves — Bypasses the root zone and delivers nutrients directly where plants need them most.
• Complete & Balanced Formula — Contains essential macro and micro nutrients for total plant support.
• Amino Acids for Recovery & Growth — Speeds up plant recovery from stress and boosts metabolic activity.
• Kelp & Fulvic Acid Boosters — Stimulate growth hormones and improve nutrient absorption efficiency.
• Silicon for Stronger Leaves — Reinforces leaf structure and increases resistance to environmental stress.
• Wetting Agents for Maximum Absorption — Ensures even coverage and improved nutrient penetration into leaf tissue.

Common Plant Problems This Fixes

If you're dealing with any of these issues, GT Foliar RTU is the fastest solution:

• Yellowing or pale leaves
• Slow or stalled growth
• Nutrient lockout in hydro or coco
• Plant stress from heat, transplant, or overfeeding
• Weak foliage and poor leaf structure

GT Foliar RTU delivers nutrients directly through stomata (leaf pores), providing immediate access to essential elements and supporting rapid, visible recovery.

Why Foliar Feeding Is So Effective

When roots are stressed or nutrients are locked out, plants struggle to feed properly through the root zone alone. Foliar feeding:

• Bypasses root limitations entirely
• Delivers nutrients instantly to where they're needed
• Works even when root uptake is compromised

The result: rapid improvement you can actually see within days.

Performance Benefits

• Faster, greener, healthier leaves
• Improved plant vigour and growth speed
• Reduced stress and quicker recovery
• Enhanced nutrient efficiency
• Stronger plant structure and resilience

How to Use GT Foliar RTU

Application: Spray directly onto leaves until evenly coated

When to Use: Vegetative stage · Early flowering (light application) · During plant stress or deficiency

Best Time to Spray: During low light—morning or lights off—to prevent leaf burn and maximise absorption

Use foliar feeding alongside your root feeding program for maximum plant performance and faster results.

Perfect For

• Hydroponic growers dealing with deficiencies or lockout
• Indoor plant enthusiasts and grow tent setups
• Coco and soil growers
• Anyone searching for the best foliar spray Australia, a leaf nutrient spray for hydroponics, or a fast fix for yellow leaves

Complete the Plant Recovery Stack

Pair GT Foliar RTU with GT Silica (structural strength) and a root booster for a complete plant recovery solution that addresses deficiencies above and below the canopy.

Frequently Asked Questions

How do I add Growth Technology GT Foliar RTU to my feeding program?

Add Growth Technology GT Foliar RTU to your nutrient solution after mixing your base nutrient. Always add additives to water rather than directly to concentrated nutrient solutions. Stir well after each addition and check EC and pH before use. Start at the lower end of the recommended dose range and increase progressively — additives are potent and more is not always better.

Is Growth Technology GT Foliar RTU compatible with organic and mineral nutrient programs?

Growth Technology GT Foliar RTU is compatible with most hydroponic nutrient programs including both mineral and organic-based systems. If running a fully organic or biological program, check the formulation — some mineral additives can inhibit beneficial microbial populations. When in doubt, contact us at hello@apexgrow.com.au for compatibility advice specific to your setup.

Can I use Growth Technology GT Foliar RTU in soil, coco, and hydro?

Yes — Growth Technology GT Foliar RTU is suitable for use across all growing mediums including soil, coco coir, perlite, rockwool, and all recirculating and run-to-waste hydroponic systems. Dose rates may vary slightly between growing systems — always follow the manufacturer's feeding chart for your specific medium.

Does Growth Technology GT Foliar RTU ship fast within Australia?

Yes — Growth Technology GT Foliar RTU ships from our Australian warehouse with fast tracked delivery Australia-wide. Most east coast orders arrive within 2–5 business days. WA, NT, and TAS orders typically arrive within 5–12 business days.