Prahas Potting Soil is used as a complete fill — the question is not how much per area but how much per container or bed. These volumes account for settling after watering.
| Container | Volume Needed | Suitable For |
|---|---|---|
| 4 inch pot | 0.5–0.8 litres | Succulents, small herbs |
| 6 inch pot | 1.5–2 litres | Herbs, small flowering plants |
| 8 inch pot | 3–4 litres | Medium flowering plants, vegetables |
| 10 inch pot | 5–6 litres | Larger herbs, shrubs |
| 12 inch pot | 8–10 litres | Tomatoes, roses, larger plants |
| Grow Bag 15L | 15 litres | Tomatoes, brinjal, capsicum |
| Grow Bag 20L | 20 litres | Larger vegetables, dwarf fruit trees |
| Planter Size | Volume Needed | Notes |
|---|---|---|
| Small window box (60cm) | 8–12 litres | Fill completely |
| Medium raised bed (1m × 0.5m × 0.3m) | ~150 litres | Fill or blend with garden soil |
| Large raised bed (2m × 1m × 0.4m) | ~500 litres | Blend 70% potting soil + 30% garden soil |