Premium Montmorillonite Calcium Bentonite

Premium Montmorillonite | Calcium Bentonite Clay Trace Minerals

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Rocky Mountain BioAg® Premium Montmorillonite Calcium Bentonite: Essential Support for Optimal Soil Health

Achieving successful plant growth starts with healthy, balanced soil, and Rocky Mountain BioAg® Premium Montmorillonite Calcium Bentonite is the tool you need to enhance soil quality. Known for improving soil wettability, this premium, all-natural calcium bentonite blend delivers essential nutrients and supports the soil’s ability to retain water and nutrients effectively, creating an ideal environment for plant vitality.

Why Choose Premium Montmorillonite Calcium Bentonite?

Sourced from the finest deposits, our montmorillonite provides a potent blend of calcium, magnesium, and potassium, improving both soil structure and nutrient availability. By increasing the soil’s cation exchange capacity (CEC), it prevents nutrient leaching and ensures that plants can access the minerals they need to thrive.

Key Benefits:

  • Enhances Soil Wettability: Improves soil’s water-holding ability, ensuring plants receive consistent moisture.
  • Boosts CEC: Increases nutrient retention, so plants absorb more nutrients over time.
  • Prevents Nutrient Leaching: Protects valuable nutrients, reducing the need for frequent amendments.
  • All-Natural Nutrient Source: Supplies calcium, magnesium, and potassium to enrich soil structure.
  • Flexible Applications: Available in sizes from 3.75 lbs. to 2000 lbs., suitable for all scales of use.

Application Instructions and Rates:

  • Bulk Applications: Use 500–1000 lbs. per acre every other year, incorporating 2”–4” deep for optimal results.
  • Fertilizer/Compost Additive: Mix 2%–5% by weight into compost or fertilizer to boost efficiency.
  • Established Turf Grass: Apply 25 lbs. per 1,000 sq. ft. in spring as a top dressing.
  • Ornamentals & Raised Beds: Apply 1 lb. per 40 sq. ft. and work into soil 2”–4” before planting.
  • Transplants & Potting Soil: Use specified amounts per root ball size or potting soil volume for precise nutrient support.

Improve your soil’s structure, nutrient retention, and water capacity with Rocky Mountain BioAg® Premium Montmorillonite Calcium Bentonite—essential for sustainable, resilient plant growth.

Customer Reviews

Based on 4 reviews
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D
Diane H.
Love it!

I was skeptical about using the Calcium Bentonite Clay Trace Minerals but knew that my garden was in need of something other than fertilizer.
I applied it to my beds first thing in the morning and gave it a good watering. The next morning, I came out to check on the garden and swear that I saw about an inch or two of growth.

Thank you so much for the fantastic feedback! We're thrilled to hear you gave the Premium Montmorillonite | Calcium Bentonite Clay Trace Minerals a try and saw such quick results in your garden. It’s amazing what a powerful difference natural trace minerals can make when soil health is truly supported. If you ever have questions about how to maximize its benefits or want to explore complementary products, we're always here to help. Wishing you continued success and growth in your garden!

—The Rocky Mountain BioAg:registered: Team :seedling:

T
Terry S.
Bringing back what we are missing

This product puts back in the soil the trace minerals we are missing in our store bought produce. It is high quality and the plants love it. My plants are way ahead of last year without this product, see pictures. Always a pleasure to deal with the people at BioAg. Can't wait for harvest.

Thank you so much for your detailed and positive review! :seedling: We're thrilled to hear that our product is making such a significant difference in your garden. Seeing your plants thrive and being ahead of last year's growth is precisely why we do what we do.
It’s always a pleasure to serve customers like you who appreciate high-quality soil amendments. Your kind words about our team mean a lot to us, and we're equally excited for your upcoming harvest!
Thank you for choosing BioAg. We look forward to serving you again soon.
Best regards,
TEAM RMBA:registered:

J
Judith J.
Pleased with products, timely delivery.

Pleased with products, timely delivery. Third time ordering from Rocky Mountain, and will continue to do so!!!

Great to hear that you are pleased with our Rocky Mountain BioAg Montmorillonite mineral complex! Thank you for the continued support, we look forward to serving you again soon!

D
Deanna H.
Best customer service ever

I absolutely love doing business with this company. Highly recommend. Oh ya. And my ponies live the excelerite minerals

We greatly appreciate your support and happy to hear that your ponies dig our minerals! Thanks for the business, we look forward to serving you again soon!

Biological... Beyond Organic®

Organic is just the start

RMBA is committed to provide natural and organic products that support healthy soils. Even if a product is not listed as 'organic' you can rest assured that it will help, not hurt your soil.