Promix BX M
Best professional-grade soil for versatile indoor and outdoor gardening projects.
This is the gold standard for growers who value consistency over experimentation. By blending high-quality peat with mycorrhizae, it creates a foolproof environment for everything from delicate seedlings to established perennials. You sacrifice the organic complexity of custom soil blends, but you gain the peace of mind that comes with a sterile, reliable foundation.
$42.99
Who it's for
- Professional growers needing predictable, repeatable results every cycle
- Gardeners managing plants prone to root rot and overwatering
- Serious growers managing large-scale operations on a budget
Who should skip it
- Gardeners with limited physical strength or small storage spaces
- Beginners looking for a simple, all-in-one nutrient solution
- Forgetful waterers who struggle to maintain consistent soil moisture
Performance breakdown
Root Development Support
Mycorrhizae inoculation creates a superior foundation for aggressive, healthy root systems.
Moisture Retention
Peat-based formula holds water consistently without becoming waterlogged or heavy.
Aeration Quality
Perlite and vermiculite blend ensures roots get the oxygen they need.
Versatility
Equally effective for delicate seed starting and robust outdoor container gardening.
Ease of Handling
Lightweight composition makes moving large volumes significantly less physically demanding.
Sterility Assurance
Weed-free and sterilized processing eliminates common soil-borne pests and pathogens.
Key Specs
Volume
3.8 cubic feet
Primary Component
80% Canadian Sphagnum peat moss
Inclusions
Vermiculite and perlite
pH Level
5.8
Nitrogen
0.05%
Phosphorus
0.01%
Potassium
0.05%
Drainage
Retains Moisture
Moisture Retention
High
Texture
Fine, Medium
Know before you buy
Still have a question?
Ask Metto anything about the Promix BX M before you decide.