Nutrifield Coco Coir Mega Brick
Best sustainable growing medium for indoor and outdoor plant enthusiasts.
The Nutrifield Coco Coir Mega Brick is a premium, compressed organic growing medium derived from renewable coconut husks, perfect for both indoor and outdoor gardening. This eco-friendly substrate expands significantly upon hydration, offering excellent structural support and high water retention to reduce watering frequency. It is pre-buffered to prevent nutrient lockout and stabilizes pH levels, ensuring optimal conditions for healthy root development. Certified by RHP for consistent quality, this medium is clean, friable, and free from harmful parasites and diseases, providing a superior foundation for cultivation.
$14.99
Owner Satisfaction
4.6
/ 5
Category Rank
516
/ 1247
#516 in Soil
Price vs Category Average
-70%
Below average
Weight
511
/ kg ( lbs)
Who it's for
- Urban gardeners with limited storage space
- Botanists seeking healthy root development
- Commercial growers managing large-scale projects
Who should skip it
- Gardeners needing an immediate, mess-free planting solution
- Beginners looking for pre-fertilized soil mixes
- Casual growers wanting a low-maintenance, set-and-forget medium
Performance breakdown
Expansion Efficiency
Rapid hydration turns compact bricks into a massive volume of substrate.
Nutrient Stability
Pre-buffered formula effectively eliminates common calcium and magnesium lockout issues.
Water Retention
Superior moisture holding capacity significantly reduces the need for frequent watering.
Root Development
Friable texture provides the ideal environment for vigorous, healthy root systems.
Purity Standards
RHP certification ensures a clean, pathogen-free medium for sensitive crops.
Handling Convenience
Lightweight compressed blocks make storage and transport effortless for any gardener.
Key Specs
Weight
5 kg (11 lbs)
Expands to 55 liters or 13 dry gallons
Contains 45% cellulose material
RHP certification standard (036ST09)
Electrical Conductivity (EC)
less than 0.5 mS/cm
Pre-buffered to prevent calcium and magnesium lockout
Features
- Lightweight compressed blocks expand into premium coir upon hydration
- High water retention capacity reduces watering frequency
- Inert and organic material supports root structure
- Promotes ideal rhizospheric conditions for strong plant development
- High cation exchange capacity supports successful germination
- Derived from renewable coconut husk, making it eco-friendly
What customers say
Customers consistently praise the exceptional quality and convenience of the Nutrifield Mega Brick. Growers note its impressive expansion rate, yielding a large volume of fluffy, consistent coco coir perfect for various hydroponic and soil applications. The low electrical conductivity (EC) is a major selling point, ensuring a clean start free from unwanted salts, which simplifies the initial preparation phase. This product is frequently highlighted as a superior, reliable foundation for successful plant growth, offering excellent value given its size and purity.
Know before you buy
Once fully hydrated, a single 5 kg Nutrifield Mega Brick expands to approximately 55 liters, or 13 dry gallons, of growing medium.
This product is pre-buffered to stabilize pH levels and prevent common nutrient lockouts, specifically regarding calcium and magnesium. You can use it immediately after hydration without additional buffering steps.
Yes, the Nutrifield Mega Brick is versatile enough for both environments. Its high water retention and structural support make it an excellent choice for container gardening, raised beds, or indoor hydroponic setups.
The RHP certification (036ST09) ensures that the substrate meets strict quality and safety standards. It guarantees that the product is clean, consistent, and free from harmful parasites, diseases, and heavy metals.
Yes, because coco coir is an inert organic material, it does not contain its own fertilizer. You will need to provide a consistent nutrient regimen to support your plants throughout their growth cycle.
With an EC of less than 0.5 mS/cm, this medium has a very low salt content. This provides a clean, neutral starting point, allowing you to have full control over the nutrient concentration in your irrigation water.
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$15