How to backwash a hayward de filter. Turn off pool equipment at the main power switch. Remove the plug and install a shutoff valve. If there is no shutoff valve there will be a plug closing the port.
If not already connected attach a backwash hose to the port labeled backwash at the bottom of the tank. Turn off the de pool filter. Buy de powder you will need about 4 6 pounds of de powder to replace the old de power that is stripped off of the grids during backwash.
Turn equipment back on. Turn your filter system on and run it for 2 minutes in order to backwash the water out of the backwash valve or port. Add de powder to the filter to replace the amount that was backwashed out.
Uncover the skimmer closest to the pump and filter and slowly pour the needed amount into the skimmer while the system is running. How to properly backwash a de pool filter. How to backwash your de filter step by step guide turn the power to your filter system off and then turn the multi position valve to the one that states backwash or pull.
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