The truth will be revealed after the air-scour service.
Normal Backwash
Scenario 1 : Starting with dirty filter
Dirty filter with trapped dirt/ sediments throughout the sand media.
Normal Backwash
Scenario 2 : Normal Backwash
Normal backwash only removes dirt/ sediments from the surface of sand media.
Normal Backwash
Scenario 3 : Only The Surface Is Cleaned
Trapped dirt/ sediments remain within the sand media. Only the surface is cleaned.
Normal Backwash + Air Scouring
Scenario 1 : Air-Scouring
Air-scour pushes air bubbles through the dirty sand media. Sand particles rub against each other and releases the dirt. Air bubbles carry the dirt/ sediments upwards.
Normal Backwash + Air Scouring
Scenario 2 : After Air-Scouring
All dirt/ sediments are pushed to the surface of sand media
Normal Backwash + Air Scouring
Scenario 3 : Another Backwash After Air-Scouring
Normal backwash removes dirt/ sediments from the surface of sand media.
Normal Backwash + Air Scouring
Scenario 4 : Finally, A Clean Filter
The sand media is thoroughly cleaned.
MAINTENANCE SERVICE
Thorough cleaning
Air-scour service for outdoor media type water filter.
A simple condition to fulfill before our visit:
Take a photo of your outdoor water filter and send the photo to us via WhatsApp or upload it through our website. In the photo, please ensure that the portion of the inlet piping is visible, with more than 4 inches of PVC pipe in length. Our technician needs to modify the pipe in order to service your filter.