Products

Premium Agricultural Lime & Limestone Rubble

While Bruhn Limestone is widely recognised as a premier architectural stone quarry, our expertise extends well beyond building blocks. Sourced directly from our Marte deposits in Mount Gambier, Bruhn bulk-produce high-grade agricultural lime and natural limestone rubble for the agricultural, civil and landscaping sectors.

Whether you are a farmer looking to rejuvenate acidic soils or a civil contractor requiring durable limestone road rubble, Bruhn is a trusted South Australian limestone supplier, delivering reliable quality and highly competitive bulk supply across the South East.

Lime from Bruhn Limestone quarry in Mount Gambier

Mount Gambier agricultural lime

Managing soil acidity is critical for maximizing crop yields and pasture health. Bruhn’s Mount Gambier agricultural limestone is a high-calcium, finely crushed product designed to rapidly neutralize acidic soils and unlock essential nutrients for plant growth.

Commonly known as Mount Gambier ag lime, the product is independently tested by the Australian Precision Ag Laboratory (APAL) and consistently achieves:

  • 95-100% Total Neutralising Value (TNV)
  • Excellent Effective Neutralising Value (ENV)

Benefits of Bruhn ag lime

Corrects soil acidity – Rapidly raises soil pH to create optimal conditions for plant growth and microbial activity.

Rich in calcium – Delivers essential calcium and trace minerals directly into the soil profile.

Improves soil structure – Helps break down heavy clay soils, reducing compaction and enhancing water drainage and root development.

Cost-effective soil amendment – As an experienced agricultural lime supplier, Bruhn keeps bulk supply competitive to support strong, long-term value for farms across the region.

Crushed Limestone Road Rubble

Crushed limestone road rubble

Need a rock-solid foundation? Bruhn Limestone manufactures and supplies premium Mount Gambier limestone rubble graded between 50mm and 80mm.

Because of its natural density and ability to compact tightly over time, Bruhn’s limestone rubble provides a durable and cost-effective sub-base for a variety of heavy-duty applications. As a reliable limestone rubble supplier, Bruhn provides bulk material for agricultural, civil and landscaping projects across the South East.

Bruhn’s South Australian lime road rubble is suitable for applications where strength, stability and long-term performance are essential.

Typical applications

Farm roads & rural tracks – Creates durable, all-weather access for heavy machinery and livestock operations.

Driveways & hardstands – Provides a reliable, heavy-duty base layer for sheds, commercial yards and high-traffic areas.

Landscaping & civil works – Suitable as a structural base material for retaining walls, paving and large-scale landscaping projects.

Bulk limestone solutions

Lime and rubble
Stronger soils. Lasting foundations. Limestone that works harder.
Mount Gambier Agricultural Lime (Ag Lime)

Bulk supply and Mount Gambier ag lime delivery

As a dedicated agricultural lime and limestone rubble supplier, Bruhn Limestone hold large stockpiles of dry, ready-to-load material at our Mount Gambier quarry.

Customers can collect directly from the quarry, or Bruhn can coordinate Mount Gambier agricultural lime delivery and limestone rubble transport through our network of trusted local freight partners.

Bruhn regularly supplies Mount Gambier agricultural lime, Mount Gambier limestone rubble and South Australian ag lime to farms, civil construction sites and landscaping depots throughout the South East.

Mount Gambier Agricultural Lime (Ag Lime)

Technical specifications of Bruhn’s ag lime

Bruhn Limestone stands by the quality of its agricultural lime.

The latest independent laboratory testing from Eurofins / APAL provides full details on:

  • Calcium Carbonate composition
  • Micron fineness sieve analysis
  • Total Neutralising Value (TNV)
  • Effective Neutralising Value (ENV)

Download the Lime Analysis Report (PDF)

Ready to order ag lime or limestone rubble?

Contact Bruhn’s bulk supply team today to discuss quantities, availability, and secure the best bulk pricing across the South East.

Contact our Bulk Supply Team

What is agricultural lime (ag lime) used for?

Agricultural lime, also known as ag lime, is used to help neutralise acidic soils, improve soil pH and support healthier crop and pasture growth. Bruhn Limestone supplies high-calcium Mount Gambier ag lime for farms throughout the South East.

What is limestone rubble used for?

Limestone rubble can be used as a durable sub-base for farm roads, rural tracks, driveways, hardstands and civil works. Bruhn Limestone supplies graded limestone rubble in bulk for agricultural, landscaping and construction applications.