| Substrate | Optima |
|---|---|
| Formula code | 601 |
| pH range | 5.5 – 6.5 |
| Water Holding Capacity (L/kg) | 4.0 – 5.0 |
| Air Filled Porosity (%) | 30 - 40 |
| Electrical Conductivity (mS/cm) | < 0.5 or Unwashed |
| Material Grade | 2-10 mm husk chips |
| Description | Graded husk chips |
| Applications | Water filtration |