Natural Indoor Plant Fertiliser – Insect Frass, Seaweed & Zeolite
Natural Indoor Plant Fertiliser – Insect Frass, Seaweed & Zeolite
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Feed the plant · Feed the soil
Bring the forest floor
to your living room
to your living room
A slow-release natural fertiliser made for houseplants — three ingredients that feed your plants gently and build healthy, living soil over time.
Most indoor fertilisers push fast nitrogen and leave the potting mix tired. Ours works the other way: it feeds the microbes in the soil as well as the plant, so nutrients are released steadily between feeds. Blended by hand on Tamborine Mountain from 80% insect frass, 10% organic seaweed and 10% zeolite — low-odour and easy to use in any indoor space. Frass supplied by RichRoots Fertilisers, sourced from JinsGrowth farm in Queensland.
What's inside
Three ingredients, each with a job
80% · Feeds
Mealworm frass
The nutrient-rich residue from sustainably farmed mealworms. A slow-release source of nitrogen, phosphorus and potassium that is naturally microbe-rich and high in chitin, which supports your plant's own natural resilience.
10% · Strengthens
Organic seaweed
Adds a broad spread of trace minerals and natural growth compounds that encourage strong roots and lush, healthy leaves.
10% · Holds
Zeolite
A natural volcanic mineral that holds water and nutrients in the root zone, so less washes out of the bottom of the pot and less goes to waste. It also helps keep odour down indoors.
What you'll notice
After a few weeks of regular feeding
🌱 Steady new growth — nutrients release gradually between feeds, without the boom-and-bust of synthetic fertilisers.
🍃 Richer, healthier leaves — seaweed's trace minerals support deeper colour and lush foliage.
🦠 Livelier potting mix — frass feeds the soil microbes, not just the plant, so your mix stays active rather than tired.
💧 Less waste down the drain — zeolite holds water and nutrients in the pot where the roots can reach them.
🏠 Indoor-friendly — low-odour and tidy, suited to apartments, rentals and small homes.
The science, simply
Feeding the soil food web. Insect frass is organic matter that soil bacteria and fungi break down over time, releasing nutrients in a form roots can take up. Its chitin is a food source for beneficial soil microbes.
Holding on to nutrients. Zeolite has a honeycomb-like mineral structure with a high cation exchange capacity — it holds positively charged nutrients such as ammonium and potassium, then releases them back to the roots, instead of letting them flush out with each watering.
Holding on to nutrients. Zeolite has a honeycomb-like mineral structure with a high cation exchange capacity — it holds positively charged nutrients such as ammonium and potassium, then releases them back to the roots, instead of letting them flush out with each watering.
How to use
Application rates by pot size
| Pot size | Dose | Method |
| Small up to 15cm |
½–1 tsp | Sprinkle around the base of the plant and gently scratch into the top layer of soil. Water in well — ideally with our Probiotic Soil Tonic. |
| Medium 15–25cm |
1–2 tsp | |
| Large 25cm+ |
up to 1 tbsp | |
| Repotting | same dose | Mix the dose for the new pot size evenly through the fresh potting mix before planting. |
Repeat every 4–6 weeks during the growing season
A 100g pouch feeds a small collection for a season; choose 200g for ten or more plants or larger pots.
Storage & safety
Store sealed in a cool, dry place. Keep out of reach of children and pets — dogs in particular may be attracted to organic fertilisers. Avoid inhaling dust and wash hands after use. For plant use only.
Ingredients
80% mealworm frass, 10% organic seaweed, 10% zeolite. Available in 100g and 200g.
Our story
Hand-blended on Tamborine Mountain
At Kai Kai Farm we don’t just sell soil amendments — we use them every day. Founded in the heart of the Scenic Rim, our mission is to make professional-grade plant care and sustainable gardening accessible to everyone, whether you have five acres or five pots on a balcony.
Every product is tested right here on the farm before it reaches you. Pair it with our Probiotic Soil Tonic and Organic Neem Oil Spray — or get all three in the Indoor Plant Care Kit.
