What Is the Nutrifield Coco Mega Brick?
The Nutrifield Coco Mega Brick is a 5kg compressed coco coir block that expands to 55 litres of premium organic growing medium. Pre-buffered and RHP certified, it's designed to give plants the best possible start free from calcium and magnesium lockout that affects most standard coco coir products.
Coco Coir Key Features at a Glance
-
100% organic coco coir : natural, sustainable and eco-friendly
-
Pre-buffered: prevents calcium and magnesium lockout
-
RHP certified : meets strict quality standards for pH, EC and nutrients
-
High water uptake: excellent moisture retention for roots
-
Expands to 55L: great value from a compact 5kg brick
-
Eco-friendly: sustainable alternative to peat moss
Why Pre-Buffered Coco Coir Matters
Standard coco coir has a negative charge that binds to calcium and magnesium, locking them out from your plants. Nutrifield pre-buffers the coir to neutralise this effect so your plants get full access to nutrients from day one without any extra treatment needed.
Specifications
The Nutrifield Coco Mega Brick weighs 5kg (11 pounds) and expands to 55 litres of growing medium. It is RHP certified, 100% organic, and coconut coir-based. UPC: 093338220004.
Pros & Cons
✅ Pros
- Pre-buffered ready to use, no extra calcium treatment needed
- RHP certified guaranteed quality and consistency
- 100% organic and eco-friendly
- Expands to 55L excellent value
- Suitable for all cultivation styles
- More sustainable than peat moss
❌ Cons
- Needs water to expand before use
- 5kg brick may be bulky to handle
- Not pre-mixed with perlite drainage-only setup may need additives
Perfect For
- Hydroponic systems
- Indoor and outdoor container plants
- Raised garden beds
- Vegetables, herbs and leafy greens
FAQ
Is coco coir good for plants?
Yes, it retains moisture, improves airflow around roots, and is 100% organic and pH stable. A sustainable alternative to peat moss.
What is coco coir in Australia?
A natural growing medium made from coconut husk fibres, widely used for hydroponics, container gardening and raised beds across Australia.
Final Verdict
If you're looking for coco coir in Australia that's truly ready to use from the bag, the Nutrifield Coco Mega Brick is one of the best options available. The pre-buffering, RHP certification, and 55L expansion make it a reliable and cost-effective growing medium for any Australian gardener.
Shop our full Indoor Gardening Essentials collection for more premium growing media.
