Sunshine Mix #4 with Mycorrhizae
Best professional-grade growing medium for serious indoor and outdoor cultivators.
This professional-grade medium is the gold standard for growers who want a blank canvas for their own nutrient program. By stripping away pre-added fertilizers, it gives you total control over your plants' diet while the mycorrhizae and perlite ensure the root zone stays perfectly aerated and hydrated.
$60.35
at
CapCityHydro (Capital City Organics)
Who it's for
- Commercial growers managing large-scale planting projects
- Gardeners seeking vigorous root development and plant health
- Indoor growers needing consistent moisture and aeration control
Who should skip it
- Hobbyists growing plants that require alkaline soil conditions
- Gardeners with limited physical strength or storage space
- Beginners looking for a pre-fertilized, low-maintenance soil
Performance breakdown
Root Zone Aeration
Coarse perlite creates an ideal environment for vigorous root development.
Moisture Management
Proprietary wetting agents ensure uniform hydration throughout the entire root zone.
Nutrient Flexibility
The inert base allows growers to dial in custom fertility programs.
Biological Activity
Multiple mycorrhizal strains actively support long-term plant health and vigor.
Drainage Efficiency
High-porosity structure prevents waterlogging even during heavy irrigation cycles.
Consistency
Professional-grade formulation delivers reliable results across every single bag.
Key Specs
Soil Type
Potting Mix
Volume
3.0 cubic feet
Volume
97.2 quarts
Organic Certified
No
Intended Use
Indoor Plants, Vegetables, Flowers
Key Ingredients
Peat Moss, Perlite
Moisture Retention Level
High
Drainage Level
Fast Draining
Aeration Level
High
Pre-fertilized
No
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