Liquid Fulvic Acid Lawn & Garden Biostimulant, Premium Soil Nutrient Chelator - 1L

For Improved Nutrient Uptake

Powerful soil conditioner and chelating agent that improves nutrient availability, supports microbial activity, and helps detoxify soils. Enhances fertiliser efficiency, unlocks locked-up nutrients, and promotes healthier plant and root growth.
Fulvic Acid Chelating Agent Boosts Nutrient Uptake Fixes Locked Nutrients & Poor Response
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$19.95
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Description

The Missing Link for Healthy Soil & Thriving Plants

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:

Fulvic Acid

Why choose Fulvic Acid:

  • Boost nutrient absorption for healthier, faster-growing plants
  • Control root rot diseases like Pythium under certain conditions
  • Increase uptake of foliar fertilisers, herbicides, and pesticides
  • Stimulate root development and improve access to soil nutrients
  • Improve soil moisture retention and water use efficiency
  • Detoxify harmful soil pollutants, including heavy metals and chemical residues
  • Stabilise nitrogen fertilisers like urea for longer-lasting effects
  • Strengthen plant immunity and increase yield potential 

 

 

Fulvic acid is the key to unlocking soil nutrients and promoting plant vitality. Whether you're a hobby gardener or commercial grower, incorporating this powerful natural chelator into your fertiliser program helps ensure your plants get the nutrition they need to thrive — healthier roots, stronger growth, and improved resilience to stress.

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Features

Specifications

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:
  • Strong chelation agent (binds and unlocks nutrients in soil)
  • Nutrient transport enhancer (improves uptake efficiency)
  • Soil biology stimulant (feeds microbial activity indirectly)
  • Detoxification agent (binds residues and heavy metals)
Naturally Present Compounds:
  • Organic carbon complexes
  • Naturally occurring trace minerals (non-guaranteed analysis)
  • Humic fractions (in small amounts depending on extraction source)

How it Works

The Science Behind Fulvic Acid:

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:

  • Act as a powerful chelating agent, dissolving minerals and trace elements so plants can readily absorb them
  • Rapidly enter plant membranes (often within 4 hours), delivering nutrients efficiently
  • Enhance photosynthesis by increasing stomatal opening, especially helpful in cloudy or low-light conditions
  • Promote beneficial soil microbial activity, improving nutrient cycling and soil health
  • Detoxify soils by binding to pollutants like pesticides, herbicides, and heavy metals, reducing their toxicity
  • Stabilise urea and other nitrogen fertilisers when applied to soil, reducing nutrient losses
  • Stimulate root growth, cell elongation, and division, contributing to stronger, healthier plants

Often called the ‘missing link’ in plant nutrition, fulvic acid supports soil and plant systems in ways that other fertilisers cannot.

 

Application

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.

 

Safety

Safety Guidelines

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.

FAQ

What is Fulvic Acid Liquid?

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.

What are the benefits of using fulvic acid in liquid form?

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.

Can Fulvic Acid Liquid be mixed with other products?

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.

How often should I apply this product?

It can be used regularly during the growing season. Frequency depends on plant type and condition. Check our Product Usage Guide for more detail.

Is this product suitable for organic gardening?

Yes. Our Fulvic Acid Liquid is made from naturally derived organic matter and is safe to use in organic and sustainable gardening systems.

Is fulvic acid safe for all plant types?

Absolutely. It’s safe and beneficial for all types of lawns, garden plants, vegetables, fruit trees, natives, and ornamentals.

How does this compare to humic acid?

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.

Can fulvic acid help during drought or plant stress?

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.

Will fulvic acid help my lawn?

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.

Reviews

5.0 / 5

customer reviews

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Seed Germination

I have tried the fulvic acid on seed germination with fantastic results. Soaked Adenium seeds overnight in diluted fulvic acid.. the results were amazing, once the seeds were planted they germinated a lot quicker than normal with nearly 100 % germination. Very happy with this product and can totally recommend to others.

Fulvic Acid

Excellent product for getting a healthy soil just smells so sweet just like your soil should.Very fast delivery and great price.Thank you Plant Doctor

Most affordable chelating agent

Can't find other organic chelating agent that's cheaper than this

Another good addition to my garden

Wonderful to see the results! Every single product from here has been a massive game changer for the overall health in my garden.

Best Food for my indoor plants

During heat of summer, my plants suffered a lot, I purchased this and added to a normal seasol and it made a big difference to my plants. Now when my plants need a boost, I add a little bit more of this to my seaweed secret and it's just amazing results.

THIS IS WHAT IVE BEEN MISSING

THIS IS WHAT I'VE BEEN MISSING, the fulvic acid is a GAME CHANNGER, it has honestly completely changed my lawn, it was the missing link in my routine.

Folic acid liquid

Folic acid liquid great price, exceptional product..

Urea Stabiliser

I'm using this to stabilise urea in my lawn and reduce dog damage, looking forward to some great results.

Beat the lacking lawn

Began using this product to give the lawn/soil the best nutrition i could and wow its worked a tread its over the standard plato and heading into stunning high class lawn.

Great product

Really notice the difference since using this product stops the wilt!!

Great additional mix to add on top ben sim mix

Wasn't sure how at the start how this product would work on the lawn and vegetables garden. So decided to add about 25ml in each of my Ben sim mix. Can see great result in the rooting of the plant and lawn. So would definitely recommend to add this product in their range as well.

Good Price

I went to my local Bunnings and the "horticulturist" didn't know what fulvic acid is. I found it on the Plant Doctor website with good pricing, so I decided to buy in bulk. 20L is a lot more than I thought but I have a recipe for mixing it with seaweed and other things for an overall good fertiliser. Quick delivery, seamsless transaction, good price.

Amazing foliar spray!

First time using Fulvic from plant doctor, mixed 2ml to 1L into pressure spray, applied on lettuce and tomatoes leaves. Next day you can see noticeable greener leaves especially on the tomatoes. Definitely worth getting! The 1L will last me but I'm definitely going for the larger bottle in spring for my garden.

Ben Sims secret mix

I have 220sm of lawn in three sections. Although regularly mowed there was still room for improvement. Checked online and seen lawn tips by Ben Sims. Couldn’t stop talking about liquid organics from plant doctor. His lawn was looking pretty smick and had gone through several renovations. The products he was using which I purchased through plant doctor, has drastically changed the appearance of my lawn. Sims secret mix from plant doctor, consisting of quantum H, Seaweed Secrets, Activate8mate, Liquid Iron and Stimulizer . These products bond the nutrients in the soil, green up the lawn and root plant growth, strength. Yep the lawn looks a million dollars since I’ve been using these products. I’d say I would be purchasing more of these products in the future.

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Customer reviews

What customers are saying

5.0 from 0 verified reviews

Seed Germination

I have tried the fulvic acid on seed germination with fantastic results. Soaked Adenium seeds overnight in diluted fulvic acid.. the results were amazing, once the seeds were planted they germinated a lot quicker than normal with nearly 100 % germination. Very happy with this product and can totally recommend to others.

DonM. Verified review

Fulvic Acid

Excellent product for getting a healthy soil just smells so sweet just like your soil should.Very fast delivery and great price.Thank you Plant Doctor

Julius L. Verified review

Most affordable chelating agent

Can't find other organic chelating agent that's cheaper than this

LucasT. Verified review

View all reviews

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I have tried the fulvic acid on seed germination with fantastic results. Soaked Adenium seeds overnight in diluted fulvic acid.. the results were amazing, once the seeds were planted they germinated a lot quicker than normal with nearly 100 % germination. Very happy with this product and can totally recommend to others.

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