STEP 1 Turn filter system off
STEP 2 Open pump lid and pour filter cleaner directly into pump housing. Shut pump lid.
STEP 3 Make sure filter valve head is in backwash position.
STEP 4 Turn system on for approximately 1-2 seconds until filter cleaner is reserved into sand filter.
STEP 5 Turn system off and put valve head in the closed position, leave off for 24 hours.
STEP 6 In the morning, put valve head in backwash position, and turn system on. Backwash until sight glass is clear. Then proceed with normal filtering.