Bio Retention Filter Media

Our filter media is blended ,processed and independently tested by a NATA approved laboratory to meet FAWB and Water By Design guidelines and specifications.


Including AS4419 approval ,for use as a natural stormwater filter in bio retention basins and swales in large and small developments including residential commercial and industrial sites, specialised stormwater and drainage projects  , blended from premium washed sand, loam and organic materials processed to strict specification to ensure quality and consistency.

  • independently tested by NATA approved Laboratory
  • AS4419 Approval
  • Saturated Hydraulic Conductivity
  • Sieve Analysis
  • Organic matter
  • Phosphorus and Nitrogen
  • PH range 5.5-7.5
  • Bulk Density approx. 1.2 tonne per m3