SRP | Soft Rock Phosphate

$11.00$46.28 AUD excl gst

NTS Soft Rock™ is a soluble, bio-friendly, colloidal clay-based calcium phosphate which has been produced to not lock up

PDF Application Rates & Data Sheet



  • Australian Certified Organic (ACO) Registered Farm Input 456AI
  • All elements are in colloidal form. This provides ongoing plant-availability and ensures that none of the component elements can ever become locked up
  • Processed phosphate fertilisers can contain high levels of the heavy metal, cadmium. NTS Soft Rock™ is an unprocessed phosphate – an ideal alternative for
    minimising this environmental and health problem
  • Exceptional trace element levels
  • Helps re-mineralise soils
  • Colloidal minerals provide health benefits to soil microbes
  • Colloidal calcium component (approx. 20%) is much more plant available than limestone
  • High in silicon. Research suggests increased brix levels in plants are related to the presence of silica

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