TL;DR – Certified-organic kelp meal packs 80+ minerals, natural growth hormones and a buffet of trace elements that super-charge microbes, boost root growth and toughen plants against drought, frost and pests. Use ½ cup per 30 L of soil (or 1 cup / m²), scratch it in, water well and watch your patch explode with life.
What Exactly Is Kelp Meal?
Kelp meal is nothing more than sun-dried, milled ocean seaweed—nature’s multivitamin for soil. Because kelp grows in turbulent, mineral-rich currents, it hoards potassium, phosphorus, nitrogen and a laundry list of trace elements other plants never get to taste. Once dried and ground it becomes a slow-release powerhouse that feeds soil biology for months.
Why that matters: healthy soil biology = healthier roots = bigger, tastier harvests. Simple maths.
9 Science-Backed Benefits of Kelp Meal
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Micronutrient jackpot – Over 80 minerals & trace elements fill gaps typical N-P-K fertilisers miss.
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Natural hormones – Cytokinins, auxins and gibberellins fire up cell division, giving seedlings a leg-up.
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Soil structure upgrade – The meal’s organic carbon encourages crumbly, aerated soil that drains beautifully yet stays moist.
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Microbe magnet – Acts like a buffet line for beneficial bacteria and fungi; earthworms move in for the feast.
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Stress armour – Seaweed’s betaines help plants ride out heatwaves, cold snaps and transplant shock.
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Improved flavour & nutrient density – More minerals in the soil means more minerals on your plate.
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Sustainable & renewable – Harvested under strict quotas; zero synthetic inputs.
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Pet- and kid-safe – No nasty residues.
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Cost-effective – A single 2.5 kg bag treats roughly 25 m² of garden beds.
Ready to try it? Grab a bag of Certified Organic Kelp Meal and follow the pro tips below.
Meal vs Liquid vs Powder – Which Should You Use?
|
Form |
Best For |
Pros |
Cons |
|
Meal (slow-release) |
Veggie beds, lawns, fruit trees |
Improves soil long-term; one application per season |
Needs light incorporation |
|
Liquid extracts |
Fast rescue of stressed plants; foliar sprays |
Instant uptake; pairs nicely with fish hydrolysate |
Must re-apply every 2–3 weeks |
|
Water Soluble |
Hydroponics, fertigation |
Fully dissolves; measurable |
Higher cost per gram |
For speedy green-ups, many Aussie growers team our meal with Ocean Grown Fish Hydrolysate—fish provides aminos, kelp supplies hormones. Match made in soil heaven.
How & When to Apply Kelp Meal
|
Situation |
Rate |
Timing |
Pro Tip |
|
New garden beds |
1 cup / m² |
Before planting |
Mix into top 10 cm of soil |
|
Potting mix |
½ cup / 30 L |
At blend-up |
Great in DIY SuperSoil recipes |
|
Established beds |
½ cup / m² |
Early spring & mid-summer |
Scratch in lightly; water deeply |
|
Compost boost |
1 handful per 20 L bucket |
At each turn |
Speeds decomposition |
Liquid Kelp Tea (lazy method):
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Add 2 tbsp kelp meal to 10 L bucket.
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Fill with rainwater, aerate or stir daily for 3 days.
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Strain and drench soil or foliar-spray 1:1 with water.
Want next-level results? Spike the brew with 10 ml / L of Deep Sea Sugar & Kelp for an extra chitin hit that fires up systemic resistance.
Frequently Asked Questions
Q. Is kelp meal safe for pets?
Yes. It’s organic-grade seaweed with zero synthetic chemicals.
Q. Can I over-apply?
It’s hard, but anything in excess can unbalance soil. Stick to the rates above.
Q. Does it alter pH?
Not significantly—kelp meal is close to neutral and buffered by organic matter.
Q. Is it OK for natives?
Absolutely; just halve the rate for phosphorous-sensitive species like banksias.
Q. How long does it last in the soil?
Roughly 3–4 months before fully broken down, depending on microbe activity.
Shop the Range & Get Growing
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Kelp / Seaweed Meal – Certified Organic – 500 g, 1 kg, 2.5 kg and 5 kg bags.
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Ocean Grown Fish Hydrolysate – the perfect liquid partner.
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Deep Sea Sugar & Kelp – chitin-charged root and immune booster.
Add them to your cart, follow the rates above and let the ocean power your patch!
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