Compressed Coco Fiber 12" x 12"
Best organic base for gardeners creating custom soil or soilless mixes.
Enhance your gardening with Roots Organics Compressed Coco Fiber. This premium growing medium, made from 100% pure coconut husks, is aged and composted for 24 months and meticulously washed to remove excess sodium. Its increased fiber content ensures an optimal air-to-water ratio, promoting superior nutrient uptake with a natural pH between 5.2 and 6.3. The compressed 12" x 12" block is perfect for amending existing soil or creating custom soilless mixes, providing a clean and effective base for robust plant growth.
$16.79
Owner Satisfaction
4.7
/ 5
Category Rank
6
/ 185
#6 in Compost
Price vs Category Average
-31%
Below average
Material
100
/ % pure coco fiber from coconut husks
Who it's for
- Gardeners prioritizing healthy root development and aeration
- Eco-conscious growers with limited storage space
- Precision growers seeking a stable, pH-neutral growing medium
Who should skip it
- Novice growers avoiding complex mineral management
- Impatient gardeners wanting immediate planting capabilities
- Beginners looking for a low-maintenance, nutrient-rich soil
Performance breakdown
Hydration Efficiency
High fiber content creates an ideal environment for moisture retention.
Purity Standards
Thorough washing effectively eliminates harmful sodium for sensitive root systems.
pH Stability
Consistent acidity levels ensure reliable nutrient uptake throughout the growth cycle.
Storage Convenience
Compact block design saves significant space in your potting shed.
Aeration Quality
Superior fiber structure promotes excellent airflow to prevent root rot.
Versatility
Adapts seamlessly to both soil amendments and custom soilless hydroponic mixes.
Key Specs
Material
100% pure coco fiber from coconut husks
pH Range
5.2 - 6.3
Processing
Aged and composted for 24 months
Feature
Increased fiber content for optimum air to water ratio
Dimensions
12" x 12" (Compressed)
Fertilizer Source
Organic, Natural
Season of Application
All Season
Release Type
Slow Release
Features
- Optimal air to water ratio for plant health
- Near-perfect pH for superior nutrient absorption
- Aged and composted for enhanced quality
- Washed to remove excess sodium
- Ideal for soil and soilless mixes
- 100% pure coco fiber
- Compressed for easy storage
What customers say
Customers highly value the superior quality and exceptional ease of use of this coco fiber. The compressed block hydrates and expands very quickly, significantly reducing preparation time for growers. A key benefit is the material's remarkable cleanliness, often requiring little to no rinsing before use. This combination of reliability and convenience makes it a premium, dependable growing medium that justifies the investment for those prioritizing efficiency.
Know before you buy
To use the block, place it in a large container and slowly add water. The coco fiber will expand significantly as it absorbs the moisture, allowing you to break it apart into a loose, fluffy consistency ready for mixing.
No, this is 100% pure, aged coconut husk fiber. It does not contain added synthetic fertilizers, making it a clean base that allows you to fully control your plant's nutrient regimen.
Yes, its fine texture and excellent air-to-water ratio make it an ideal medium for seed starting. Because it is washed to remove excess sodium, it provides a safe, consistent environment for delicate roots.
Absolutely. Mixing this coco fiber into heavy or clay-based soil helps improve aeration and drainage, while adding it to sandy soil helps retain moisture and nutrients.
Aging and composting the fiber for two years ensures the material is stable and biologically active. This process breaks down the raw husks into a high-quality medium that is less likely to tie up nitrogen in your soil.
Yes, this range is considered optimal for the vast majority of indoor and outdoor plants. It falls within the ideal window for most nutrients to remain bioavailable to the root system.
Still have a question?
Ask Hayley anything about this product before you decide.