How to Clean a DE Pool Filter
- 1). Turn the filtration option to "Bbackwash" and start the pump.
- 2). Operate the pump until water being expelled is clear. Turn off the pump.
- 3). If your pool filter has a bump handle, pump this up and down to dislodge DE in filtration unit.
- 4). Turn the filtration option to "Rinse" and start the pump.
- 5). Operate the pump until water being expelled is clear. Turn off the pump.
- 6). Repeat the first three steps to be sure that all loose DE is removed from the unit.
- 7). Return the filtration option to "Filter" and start the pump.
- 8). Pour the recommended amount of DE in the skimmer basket. If you do not have an owner's manual for your DE pool filter, contact a local pool supply store for the correct amount of DE for the make and model of your filter. Use a permanent marker to write this on your unit.
- 9). Note the pressure of the tank after cleaning. When the pressure of the tank is 20 PSI higher than after cleaning, it is time to clean the unit.
- 1). Follow the first six steps above.
- 2). Turn off the pump.
- 3). Release pressure in the filter. The pressure release valve is usually located on the top of the unit under the pressure gauge.
- 4). Unscrew the drain plug in the bottom of the unit and allow all water to drain.
- 5). Slowly unscrew the screws that secure the lid.
- 6). Remove the lid. You may need to pry with a screwdriver, but be careful not to damage the gasket.
- 7). Unscrew the nut holding the filter. Lift the filter out and wash the filter and reservoir with a garden hose attachment with a jet spray option.
- 8). Replace the filter and re-attach the nut.
- 9). Screw in the drain plug securely.
- 10
Replace the gasket and lid and re-attach lid. Be sure to tighten securely. The filtration unit operates under pressure that can cause the lid to blow off violently if it is not secured properly. - 11
Repeat Steps 7 to 9 in the Maintenance section.