Frequently Asked Questions

For most hydroponic plants, a pH level between 5.5 and 6.5 is ideal. Regular pH monitoring is essential to ensure that plants can absorb nutrients efficiently and maintain growth.

The frequency with which you use additives depends on the product and the growth stage of your plant. GT Silica can be used at every watering to enhance structural strength. Rootzone is great for the entire lifecycle, ensuring your roots stay healthy and your plants can absorb nutrients effectively. Super PK, designed specifically for the flowering phase, should be used only during that period for maximum impact. Each product comes with easy-to-follow instructions, ensuring you use them correctly and effectively.

Additives like GT Silica, Rootzone, and Super PK are specifically formulated to complement our nutrient range. They support plant health at various stages of growth. GT Silica helps fortify cell walls, making plants stronger and improve stress resistance. Rootzone promotes health root development and better nutrient uptake, giving your plants the foundation they need to thrive. Super PK supports strong flowering and bud development during the flowering stage. When used in combination with our core nutrients, additives can take your plant’s growth to the next level, ensuring that every phase of its life cycle is as healthy and productive as possible.

GT Silica is a potent additive that helps strengthens your plants’ cell walls, helping them become more resistant to environmental stressors like heat, drought, and pests. Though not considered an essential nutrient, Silica is extremely valuable for improving overall plant health. In addition to structural benefits, Silica also supports better nutrient absorption and increases resilience to physical stress, helping your plants grow stronger, healthier, and more vibrant. It also helps maintain variegation in plants, preventing the development of brown spots and improving the overall appearance of your crops.

CCS and Rootzone each play a unique role in plant growth. CCS is a specially formulated nutrient solution that provides cuttings and seedlings with essential nutrients for strong root development and healthy early growth, giving young plants the best start possible. Rootzone, an organic-based supplement, supports plants throughout their entire life cycle by enhancing nutrient uptake and promoting optimal root health. It ensures plants continue to thrive as they mature. Together, CCS and Rootzone form a seamless nutrient system – CCS gives seedlings a strong foundation, while Rootzone offers long-term support – ensuring your plants grow healthy and productive from first sprout to final harvest. Whether you're new to hydroponics or a seasoned grower, these two products working together ensure your hydroponic garden flourishes at every stage.

Many new growers assume that hydroponics is complex, but you might already be using this method at home. If you’re growing plants in mediums like LECA, perlite, or sphagnum moss, you’re using hydroponic techniques without even knowing it. All you need are the right nutrients and additives to help your plants thrive.

Silica in the form of potassium silicate is alkaline, which can raise the pH of your nutrient solution. It's important to regularly monitor and adjust your pH levels when using GT Silica. If pH levels rise too high, they can affect your plants' ability to absorb other essential nutrients. Keeping your pH within the ideal range (5.5 to 6.5) will ensure your plants receive all the nutrients they need for healthy growth.

While GT Silica provides many advantages on its own, we recommend using it in combination with a balanced hydroponic nutrient program. Silica is most effective when paired with the 12 essential nutrients that your plants need to thrive. Simply follow the instructions on the label to ensure you're using it properly alongside your regular nutrients.

To get the most out of GT Silica, it can be used with every watering. Regular use will help your plants develop sturdy cell walls, making plants them better equipped to handle environmental stress and grow stronger over time. For optimal results, incorporate GT Silica consistently into your feeding schedule throughout the plant's lifecycle.

Once mixed, a hydroponic nutrient solution will remain in optimal condition for about 1-2 weeks. After that, it can become a breeding ground for bacteria or fungi, which could harm your plants. To keep things fresh, replace the solution every couple of weeks, and give it a good oxygen boost by mixing it well before use.

Nutrients and additives both play important roles in plant care, but they serve different purposes. Nutrients provide the essential 12 minerals that plants need to grow strong and healthy, offering a complete and balanced nutrition profile. On the other hand, additives are designed to give your plants that extra boost during specific stages of growth. Think of them as supplements – while nutrients provide the core building blocks, additives enhance particular plant processes, such as strengthening roots, promoting flowering, or improving resilience. Additives serve as supplements to your base nutrient solution. They enhance specific plant processes like root development, flowering, and stress resistance. Products like GT Silica, Rootzone, and Super PK help boost plant growth during critical stages.

Yes, Rootzone is an organic-based supplement designed to be used alongside GT nutrients throughout your plant’s entire life cycle.

For optimal shelf life, store Focus nutrients in a cool, dark place. There’s no need to refrigerate them, unlike Clonex Gel, which benefits from colder storage.

Yes, tap water is often the best choice for hydroponic systems. It has natural buffering capacity that helps stabilise the pH of your solution, unlike distilled or reverse osmosis water, which can cause pH fluctuations that could affect your plants’ nutrient uptake.

For best results, use Focus nutrients at every watering. If you're not allowing runoff, be sure to flush your plants with plain water once a month to prevent mineral salts build up.

Yes, all our products are 100% vegan, containing no animal-derived ingredients or byproducts, making them an excellent choice for eco-conscious growers.

Rootzone is an organic-based supplement designed to maintain optimal root health throughout your plant’s entire lifecycle. Healthy roots are the foundation for a thriving plant, so ensuring they’re in top condition is key to maximizing overall plant growth and yield. Rootzone helps improve nutrient uptake, boost root vitality, and create the ideal environment for your plant’s roots to flourish. Although Rootzone is not specifically formulated for cloning, it provides long-term benefits for plants from seedling to harvest, ensuring healthy and thriving roots at every growth stage. Rootzone is essential for boosting the foundational strength of your plants, making it a must-have additive for any hydroponic system.

The Focus Range by Growth Technology is a range of premium hydroponic nutrients designed to meet the needs of foliage plants, flowering plants, and other specialised crops. Backed by over 40 years of expertise, GT Focus brings professional nutrition solutions to passionate hobbyists.

Nutrients and additives both play important roles in plant care, but they serve different purposes. Nutrients provide the essential 12 minerals that plants need to grow strong and healthy, offering a complete and balanced nutrition profile. On the other hand, additives are designed to give your plants that extra boost during specific stages of growth. Think of them as supplements – while nutrients provide the core building blocks, additives enhance particular plant processes, such as strengthening roots, promoting flowering, or improving resilience. Additives serve as supplements to your base nutrient solution. They enhance specific plant processes like root development, flowering, and stress resistance. Products like GT Silica, Rootzone, and Super PK help boost plant growth during critical stages.

Additives like GT Silica, Rootzone, and Super PK are specifically formulated to complement our nutrient range. They support plant health at various stages of growth. GT Silica helps fortify cell walls, making plants stronger and improve stress resistance. Rootzone promotes health root development and better nutrient uptake, giving your plants the foundation they need to thrive. Super PK supports strong flowering and bud development during the flowering stage. When used in combination with our core nutrients, additives can take your plant’s growth to the next level, ensuring that every phase of its life cycle is as healthy and productive as possible.

Rootzone is an organic-based supplement designed to maintain optimal root health throughout your plant’s entire lifecycle. Healthy roots are the foundation for a thriving plant, so ensuring they’re in top condition is key to maximizing overall plant growth and yield. Rootzone helps improve nutrient uptake, boost root vitality, and create the ideal environment for your plant’s roots to flourish. Although Rootzone is not specifically formulated for cloning, it provides long-term benefits for plants from seedling to harvest, ensuring healthy and thriving roots at every growth stage. Rootzone is essential for boosting the foundational strength of your plants, making it a must-have additive for any hydroponic system.

CCS and Rootzone each play a unique role in plant growth. CCS is a specially formulated nutrient solution that provides cuttings and seedlings with essential nutrients for strong root development and healthy early growth, giving young plants the best start possible. Rootzone, an organic-based supplement, supports plants throughout their entire life cycle by enhancing nutrient uptake and promoting optimal root health. It ensures plants continue to thrive as they mature. Together, CCS and Rootzone form a seamless nutrient system – CCS gives seedlings a strong foundation, while Rootzone offers long-term support – ensuring your plants grow healthy and productive from first sprout to final harvest. Whether you're new to hydroponics or a seasoned grower, these two products working together ensure your hydroponic garden flourishes at every stage.

Silica in the form of potassium silicate is alkaline, which can raise the pH of your nutrient solution. It's important to regularly monitor and adjust your pH levels when using GT Silica. If pH levels rise too high, they can affect your plants' ability to absorb other essential nutrients. Keeping your pH within the ideal range (5.5 to 6.5) will ensure your plants receive all the nutrients they need for healthy growth.

To get the most out of GT Silica, it can be used with every watering. Regular use will help your plants develop sturdy cell walls, making plants them better equipped to handle environmental stress and grow stronger over time. For optimal results, incorporate GT Silica consistently into your feeding schedule throughout the plant's lifecycle.

While GT Silica provides many advantages on its own, we recommend using it in combination with a balanced hydroponic nutrient program. Silica is most effective when paired with the 12 essential nutrients that your plants need to thrive. Simply follow the instructions on the label to ensure you're using it properly alongside your regular nutrients.

GT Silica is a potent additive that helps strengthens your plants’ cell walls, helping them become more resistant to environmental stressors like heat, drought, and pests. Though not considered an essential nutrient, Silica is extremely valuable for improving overall plant health. In addition to structural benefits, Silica also supports better nutrient absorption and increases resilience to physical stress, helping your plants grow stronger, healthier, and more vibrant. It also helps maintain variegation in plants, preventing the development of brown spots and improving the overall appearance of your crops.

Yes, tap water is often the best choice for hydroponic systems. It has natural buffering capacity that helps stabilise the pH of your solution, unlike distilled or reverse osmosis water, which can cause pH fluctuations that could affect your plants’ nutrient uptake.

Yes, all our products are 100% vegan, containing no animal-derived ingredients or byproducts, making them an excellent choice for eco-conscious growers.

Once mixed, a hydroponic nutrient solution will remain in optimal condition for about 1-2 weeks. After that, it can become a breeding ground for bacteria or fungi, which could harm your plants. To keep things fresh, replace the solution every couple of weeks, and give it a good oxygen boost by mixing it well before use.

Nutrient deficiencies show up in the form of yellowing leaves, poor root growth, or browning leaf edges. Monitoring your plants for these symptoms can help you make quick adjustments to your nutrient solution and ensure healthy, productive growth.

For most hydroponic plants, a pH level between 5.5 and 6.5 is ideal. Regular pH monitoring is essential to ensure that plants can absorb nutrients efficiently and maintain growth.

For precise nutrient mixing, follow the product’s guide and measure carefully. Using accurate tools helps ensure proper nutrient dilution and maintains correct pH levels for optimal plant absorption. This ensures your plants get the most out of every drop.

Micronutrients are needed in smaller amounts but play a crucial role in plant health. Micronutrients like Iron (Fe), Manganese (Mn), Zinc (Zn), and Copper (Cu) assist in everything from enzyme activation to chlorophyll formation. While needed in small amounts, these nutrients are vital to your plant’s health and growth.

Without soil, your plants rely entirely on you to provide the nutrients they need. Hydroponic nutrients are critical for maintaining plant health, ensuring efficient nutrient absorption, and promoting optimal growth. By using a nutrient solution, you’re giving your plants exactly what they need to flourish – all in the right amounts.

Many new growers assume that hydroponics is complex, but you might already be using this method at home. If you’re growing plants in mediums like LECA, perlite, or sphagnum moss, you’re using hydroponic techniques without even knowing it. All you need are the right nutrients and additives to help your plants thrive.

Hydroponics is an innovative and sustainable way to grow plants without soil. Instead, plants are nurtured in a nutrient-rich water solution, which delivers essential nutrients directly to their roots. These roots are typically supported by inert mediums such as Coco Fibre, LECA, perlite, or peat moss. A common misconception is that hydroponics means growing plants solely in water or under artificial lighting – while these elements can be part of the system, the core of hydroponics is the soilless delivery of nutrients.

Yes, Rootzone is an organic-based supplement designed to be used alongside GT nutrients throughout your plant’s entire life cycle.

Yes, Clonex is safe for use on all types of plants, including medicinal plants, and is APVMA-registered for your peace of mind.

Exposure to extreme temperatures or improper storage can cause Clonex gel to liquefy. For best results, store the gel in a cool, dark place (preferably in the refrigerator) and avoid contamination by not dipping cuttings directly into the bottle.

To use Clonex, clean and sterilise your tools before starting. Cut your stem at a 45-degree angle just below a node, dip it into the Clonex Gel, and place the cutting in your chosen growing medium. Follow best propagation practices for the best results.

Each Clonex product is colour-coded for convenience:- Green (1.5g/L IBA) – Ideal for softwood cuttings- Purple (3.0g/L IBA) – Best for medium wood cuttings- Red (8.0g/L IBA) – Perfect for hardwood cuttings. If there is callusing but no root formation this indicates the hormone level is too high, and a lower hormone concentration should be used.

Clonex Rooting Hormone Gel is the world’s first and leading propagating gel. It's a gel-based hormone formulation designed to promote the formation of roots in plant cuttings, which is crucial for successful cloning and propagation. The key benefits of using Clonex include quicker and healthier root growth, and healthy plant establishment. Unlike powder rooting hormones, Clonex’s gel consistency makes it easy to apply directly to the cut surface without worrying about excess powder or mess. It also helps the hormone stay in place, ensuring that the cutting receives consistent exposure to the rooting agents.

CCS and Rootzone each play a unique role in plant growth. CCS is a specially formulated nutrient solution that provides cuttings and seedlings with essential nutrients for strong root development and healthy early growth, giving young plants the best start possible. Rootzone, an organic-based supplement, supports plants throughout their entire life cycle by enhancing nutrient uptake and promoting optimal root health. It ensures plants continue to thrive as they mature. Together, CCS and Rootzone form a seamless nutrient system – CCS gives seedlings a strong foundation, while Rootzone offers long-term support – ensuring your plants grow healthy and productive from first sprout to final harvest. Whether you're new to hydroponics or a seasoned grower, these two products working together ensure your hydroponic garden flourishes at every stage.

This depends on the diameter of the cutting and the depth to which the cutting is dipped, but the grower should expect several thousand cuttings per litre of Clonex.

Clonex Gel is guaranteed to be effective for up to two years if the recommended guidelines are followed.

These guidelines include not dipping directly into the Clonex bottle; instead, always decant the required amount and dispose of any excess. Store the Clonex in the refrigerator where possible, or in a cool, dark place. The rooting hormone remains active even if it liquefies, but if the gel changes to a greyish color, the hormone is no longer viable.

Our team of experts are always available to offer consultation and advice. Whether you need help with crop nutrition, system setup, or troubleshooting, we’re here to support you. Get in touch by emailing the team at info@growthtechnology.com.au. We’ll review your unique growing conditions and provide tailored guidance to help you achieve the best results.

Yes, we specialise in creating custom nutrient formulations tailored to the specific needs of your commercial crops. By considering factors like crop type, growing system, and water quality, we develop tailored nutrient plans to maximise plant health, growth, and yield. We’re here to help your operation succeed.

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Our products are perfect for a wide range of commercial crops, including leafy greens (eg. lettuce, spinach, kale, herbs, basil, mint, parsley), fruit-bearing crops (eg. tomatoes, peppers, cucumbers) and flowers and ornamental plants. Whether you’re growing hydroponically or in a greenhouse, our complete, balanced nutrients will give your plants everything they need to thrive.

We specialise in supporting commercial hydroponic growers with customised nutrient solutions designed to meet the unique needs of each grower. Whether you’re cultivating leafy greens, herbs, tomatoes, or flowers, we offer tailored nutrition programs to optimise plant health, maximise yields, and enhance overall productivity. We take the time to understand your crop type, growing system, and water quality to ensure your plants receive the best care possible. Our team of experts is ready to work with you to create the perfect nutrient plan for your commercial operation.