Dextrose (Corn Sugar)
Dextrose (Corn Sugar)
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Dextrose - Pure Energy for Fast-Growing Mycelium
Dextrose is one of the most popular energy sources used in mushroom cultivation. Because it is a simple sugar, mycelium can digest it with very little effort, leading to rapid growth in both agar dishes and liquid culture jars. It is the core ingredient in the world-famous "PDA" recipe used by mushroom growers everywhere.
Benefits
Benefits
Quick Energy: Provides a direct sugar source that helps mycelium colonize your media faster.
Easy Digestion: Some mushroom species prefer the simple structure of Dextrose over heavier grain-based malts.
Dissolves Instantly: The fine powder stirs into warm water easily, making your prep work fast and clump-free.
100% Pure: No fillers or additives—just pure fuel for your fungal cultures.
How do I use it?
How do I use it?
1. Classic PDA (Potato Dextrose Agar)
500ml Water (from boiled potatoes for extra nutrients)
10g Dextrose
10g Agar Agar Powder
The go-to recipe for strong, healthy growth.
2. Simple Liquid Culture
500ml Distilled Water
10g to 15g Dextrose
A clean, simple mix for expanding your mycelium in jars.
Available Sizes
Available Sizes
100g – Great for hobbyists & small batches
200g – Ideal for regular growers
Delivery Information
Delivery Information
- We ship from Tamborine Mountain, QLD using either AusPost or Aramex
- Fast dispatch within 1-2 business day (excluding Fridays) with express post options available
Why Customers Love Us
Australian Owned
Family Business
Sustainability

Hand-Grown on Tamborine Mountain
At Kai Kai Farm, we don't just sell kits and tonics—we use them every day. Founded by Quintin and Amy in the heart of the Scenic Rim, our mission is to make professional-grade mushroom cultivation and sustainable gardening accessible to everyone. From our no-spray gourmet mushrooms to our bio-active soil health range, every product is tested right here on the farm to ensure your growing journey is a success. When you shop with us, you’re supporting a local family business dedicated to a greener, more delicious planet.
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