| Line 3: |
Line 3: |
| | | | |
| | ===Materials=== | | ===Materials=== |
| − | <h4>Gravel storage layer</h4> | + | <h4>Gravel reservoir</h4> |
| − | {{:Gravel}} | + | {{:Reservoir gravel}} |
| | + | {{:Pea gravel}} |
| | + | <h4>Geotextile</h4> |
| | + | {{:Geotextile}} |
| | <h4>Biomedia</h4> | | <h4>Biomedia</h4> |
| | {{:Biomedia}} | | {{:Biomedia}} |