(upbeat music)
- [Instructor] Welcome
to swimuniversity.com,
the ultimate guide to pool and spa care.
How to backwash your sand filter.
First turn off your sand filter.
Then take your backwash
hose and a hose clamp
and place it firmly over
the backwash nozzle.
Make sure to screw the
hose clamp on tight.
Next turn your multi-port
valve from filter to backwash.
Now turn on your sand filter.
Let this run for about a minute
or until the sight glass
is completely clear.
Turn off your sand filter
and move the multi-port valve
from backwash to rinse.
Turn on your sand filter.
Let this run for about 30 seconds.
Turn off your sand filter.
Then take your multi-port
valve from rinse to filter.
Now turn back on your sand filter.
