Remove all the return fittings and skimmer baskets. Remove all the drain plugs from your filter system. Set the multiport valve to recirculate. Set the valve in front of your pump to the skimmer line. Attach your air compressor to the pump’s drain plug opening. You may need an adapter....
Your pool filter should run at least 8 to 10 hours per day. Set your pool timer, or remember to run the pool manually if you don’t have a timer. It is best to have your pool running during the daylight hours (instead of night). Make sure your skimmer baskets are empty and clear ...