Setting Up a Sand Filter in Paunat

Step 1, dig a hole to the right dimensions

Step 2, a plastic sheet is placed

Step 3, set the spraying pipes with slits upwards

Step 4, fill out a precise height of gravel

Step 5, cover with geogrid, to let water but not sand pass

Step 6, fill with sand

Step 7, again, a gravel height is added

Step 8, install the spraying pipes with slits downwards

Step 9, a final layer of gravel is added

Step 10, cover with geotextile, to avoid earth mixing with the filter