General purpose growing medium

PRO-MIX® BX is a general-purpose, peat-based growing medium that is formulated with a base of high-quality Sphagnum peat moss and perlite. This blend creates a well-balanced environment to encourage root development and favor plant growth.


  • Answers the needs of most growing applications
  • Light-weight, low bulk‑density
  • High water-holding capacity
PRO-MIX BX 3.8 cu.ft.
PRO-MIX BX 3.8 cu.ft.
PRO-MIX BX 2.8 cu.ft.
PRO-MIX BX 2.8 cu.ft.
PRO-MIX BX 3.8 cu.ft.
PRO-MIX BX 2.8 cu.ft.

More from the PRO-MIX® BX family


Recommended Usages

Ornemental Ornamental

Foliage plants
Potted flowering plants

Controlled-environment agriculture Controlled-Environment Agriculture

Greenhouse vegetables
Vegetable transplants


Inert ingredients

  • Sphagnum Peat Moss (75-85%)
  • Perlite
  • Limestone
  • Wetting Agent

Physical Properties

Particle Size: 

Air Porosity: 

Water Holding Capacity: 

Bulk Density: 

Code Size * Units per pallet Weight
10280RG 2.8 cu ft Loose 57 25 - 35 lb
10380RG 3.8 cu ft Comp. 30 60 - 75 lb
10800RG 80 cu ft Loose 2 700 - 850 lb
11350RG 135 cu ft Comp. 1 2200 - 2700 lb

* Regional availability may vary

"One of the things I have learned is that you want to control what you can. With so many changeable factors impacting every year we sure don’t want our mix to change at all! We like that to be a constant and that’s why we use PRO-MIX®."

Bill Boonstra
Bluestone Perennials

Read their story

"You can go out there and experiment with different media, if you want good product year after year, you go with PRO-MIX®. Always been top notch, any problems, they made it right."

Ken Day
Day Farms


Logo Veriflora

Veriflora Responsibly Managed Peatlands

Premier Tech’s peat moss comes from bogs that are certified under the Veriflora Program. This certification ensures the application of good management principles in all aspects of sustainable development. The criteria include environmental assessment, social engagement, and product quality.

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Premier Tech, the Company Behind the Brand

Experts at your Service

Our dedicated team of experts is committed to ensuring that professional growers maximize the potential of PRO-MIX® products. We offer comprehensive support to help you enhance your expertise and achieve optimal results in your cultivation endeavors.

Learn more

Premier Tech Growers and Consumers Unmatched consistency
Premier Tech Growers and Consumers Superior quality

Superior Quality

We meticulously choose each element of our products, from the carriers to the biological active ingredients, and all other components in between. Our rigorous quality control spans from the bio fermenters to the final formulated products, ensuring every aspect meets our high standards. This meticulous attention to detail offers you peace of mind, knowing you're receiving only the finest quality products.

Unmatched Consistency

Our beneficial microorganisms are seamlessly integrated into our growing media. We meticulously verify the viability and efficacy of each batch produced, guaranteeing that your chosen product maintains its quality and delivers consistent results every time.

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Expert service

Frequently Asked Questions

PRO-MIX® BX is a general-purpose growing medium, compared to PRO-MIX® HP® which is a High Porosity growing medium. These products are the same in pH and chemical properties.  The difference is that PRO-MIX® HP® contains a higher percentage of perlite than PRO-MIX® BX. Perlite is a porous aggregate that does not absorb water.

When incorporated into growing media, perlite provides air porosity and reduces water retention. Since PRO-MIX® HP® contains a higher percentage of perlite than PRO-MIX® BX, HP® holds less water and is better suited for crops that are sensitive to overwatering, to low light growing conditions or for use in winter months when daylight is shorter.

Yes, PRO-MIX® contains a starter fertilizer to help plants acclimate to a new rooting environment. We strongly recommended to initiate a fertilizer program within 7-10 days after planting. The fertilizer program you select should take into consideration water quality, crop type and the stage of plant growth.

Yes, PRO-MIX® BX contains perlite.

PRO-MIX® BX is a general purpose growing medium that can be used for a wide range of crop types and growing applications. It can be used  for different types of bedding plants from packs to pots, hanging baskets, even indoor/outdoor production. 

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