Newmarket, Ontario (Head Office)
1175 Stellar Drive, Unit #5
Newmarket, ON L3Y 7B8
- Mon10:00am–6:00pm
- Tue10:00am–6:00pm
- Wed10:00am–6:00pm
- Thu10:00am–6:00pm
- Fri10:00am–6:00pm
- Sat10:00am–4:00pm
- SunClosed
$0.00 CAD
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MIIM Horticulture Miicrobial Mass is an organic microbial enhancer for plants that supports a vigorous root zone and targeted nutrient cycling to help maximize plant yield. It’s a beneficial bacteria inoculant and root-zone microbial product designed to strengthen plant performance where roots and microbes meet.
Miicrobial Mass is built around multiple bacterial species and a proprietary blend of beneficial bacteria selected for rhizosphere performance. Instead of relying on a broad, generic microbe mix, it takes a targeted microbial consortium approach—focused on specific nutrient cycling functions that matter in high-performance gardens. That targeted approach helps create a more active root-zone environment that supports steadier growth and plant vigor over time.
The key plant-facing benefit is improved nutrient availability in the root zone. Miicrobial Mass is positioned as an organic way to unlock phosphorus and micronutrients, helping plants access essential nutrition more efficiently. It also supports phosphorus solubilization and includes calcium-solubilizing bacteria, which are tied to a healthier, more productive root zone. Alongside that, the formula supports iron bioavailability, supported by siderophore production—an important microbial function connected to iron access in the root environment.
Because the product is designed to promote a healthy root zone, it’s a strong fit for growers who want better root development and more consistent plant vigor without turning plant care into guesswork. The focus on vigorous root zone performance and nutrient cycling helps support stable growth momentum and the kind of uniform development growers look for across a full run. It’s also positioned to promote good soil quality, making it relevant for gardeners who care about longer-term substrate performance, not just short-term results.
Miicrobial Mass is suited for soil and hydroponic systems, with suitability that spans soil, supersoil, rock wool, coco coir, expanded clay pellets, deep water culture, nutrient film technique, and other hydroponic systems. It’s also positioned for conventional or organic nutrient programs, keeping it flexible across different garden styles while staying centered on beneficial bacteria and root-zone biology.
MIIM Horticulture Miicrobial Mass is a good fit for growers who want a microbial enhancer for plants that supports phosphorus solubilization, iron bioavailability, and a vigorous root zone in soil or hydro setups, with an organic, bacteria-driven approach to nutrient cycling.

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