A cost-effective, premium fulvic acid formula trusted by hydroponic and professional growers across Victoria, Queensland, and NSW.
Fulvic acid is a natural, powerful nutrient booster that delivers immediate nourishment to both plants and the essential microbes in your soil. It promotes strong root growth, unlocks vital nutrients locked in the soil, and helps plants resist disease and stress, making it one of the most valuable inputs for creating balanced, fertile soil and vigorous plants.
Fulvic acid is compatible with most liquid fertilisers, soil conditioners, and foliar sprays, making it a versatile addition to your plant nutrition program. It works best when used as part of a balanced feeding routine to enhance nutrient availability and overall plant health. This product is suitable for a wide range of growing systems, including hydroponics, soil-based gardens, and broadacre agricultural applications. To ensure optimal results and avoid any compatibility issues, always perform a small trial when introducing fulvic acid alongside new products or application methods.
Nutrient Profile:
Why choose Fulvic Acid:
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| Technical Highlights | |
|---|---|
| Key Active Component: | Fulvic acid (low molecular weight organic acid derived from humic substances) |
| Derived From: | Natural leonardite / humic organic matter extraction |
| Functional Role: |
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| Naturally Present Compounds: |
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Fulvic acid is a naturally occurring organic acid formed from the decomposition of plant and microbial matter. Its unique small molecular structure allows it to:
Often called the ‘missing link’ in plant nutrition, fulvic acid supports soil and plant systems in ways that other fertilisers cannot.
Application Rates: Can be used at any time of the year on all soil types which grow plants; turf, lawns, golf greens, all home garden plants, sandy and clay soils, pot plants, vegetables, and fruit trees.
| Application Method | Mixture/Rate |
|---|---|
| Hydroponics | 1800ml to 1000 Litres of water |
| Foliar (Turf) | 1450ml to 1000 Litres of water, fine mist until run off |
| Foliar (Vineyard) | 2000ml to 1000 Litres of water, fine mist until run off |
| Broad Acre | 3900ml to 1000 Litres of water per hectare via boom spray |
| Home Garden | 15ml per watering can |
| Dilution Rate | 1450-2000ml/1000 litres |
| Apply weekly or fortnightly, as required. |
Fulvic Acid is compatible with most inputs, however always jar-test before mixing.
Not sure how much to apply for your lawn or garden area? Use our Plant Doctor Product Rates Calculator to get the correct rate tailored to your size and conditions.
Keep out of reach of children. Non-toxic and safe for plants, animals, and the environment. Store in a cool, dry place, away from direct sunlight.
This is a powerful natural bio-stimulant made from high-grade fulvic acid. It helps improve nutrient uptake, stimulates microbial activity, and enhances plant health and stress resilience.
Liquid fulvic acid is fast-acting and easy to apply. It enhances the uptake of nutrients already present in your soil or fertiliser, increases root development, and supports healthy microbial life.
Yes. Fulvic acid acts as a natural chelator and improves compatibility with many fertilisers, herbicides, and stimulants. It is commonly tank-mixed. Always perform a jar test first.
It can be used regularly during the growing season. Frequency depends on plant type and condition. Check our Product Usage Guide for more detail.
Yes. Our Fulvic Acid Liquid is made from naturally derived organic matter and is safe to use in organic and sustainable gardening systems.
Absolutely. It’s safe and beneficial for all types of lawns, garden plants, vegetables, fruit trees, natives, and ornamentals.
Fulvic acid has a smaller molecular structure, making it more bioavailable. It works within the plant cell to improve nutrient absorption. Humic acid works more on improving soil structure. They work well together.
Yes. Fulvic acid helps improve a plant’s resilience during drought, heat, and transplant shock. It aids in faster recovery by improving root function and nutrient flow.
Yes. Fulvic acid can significantly improve lawn colour, thickness, and health when used alongside fertilisers and stimulants. It helps reduce nutrient loss and supports soil biology.
Shop with confidence knowing your purchase is backed by our 100% 90-day money back guarantee. If you're not completely satisfied, simply contact us within 90 days for a refund.
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First time owning lawn. Gave the team at plant doctor a ring and they supplied me with a wealth of information. Products turned up quickly.
Will definitely be getting more 8 weeks difference been using stimulizer, activ8mate, soil wetter, seaweed secrets and champion fertiliser. Was super fast delivery.
Only have great things to say about Plant Doctor. Organic products and a competitive price, fast shipping and easy to contact with questions. Have had great results with the special mix for lawns, and my plants (indoor and outdoor) love the seaweed secrets. I am excited to test out some of the animal products soon!
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