There are several main types of pool filters—cartridge, sand, and diatomaceous earth (DE)—and each has its cleaning process. Here's a general guide for cleaning a pool filter:
Cartridge Filter Cleaning
- Turn off the pool pump and release air from the system by opening the air relief valve.
- Remove the filter housing lid and pull out the cartridge.
- Rinse the cartridge thoroughly with a garden hose, spraying between the pleats.
- For deeper cleaning, soak the cartridge overnight in a cleaning solution like filter cleaner, trisodium phosphate (TSP) mixed with water, or a commercial cartridge cleaner.
- Rinse the cartridge again after soaking.
- Inspect the cartridge and replace it if damaged or worn out.
- Lubricate the filter tank's O-ring and reassemble the filter.
- Turn the pump back on and open the air relief valve to release trapped air.
Sand Filter Cleaning (Backwashing)
- Attach the backwash hose to the waste or backwash port.
- Turn off the filter pump.
- Set the valve to "backwash" and turn the pump on.
- Run the water until it clears (about 1 minute).
- Turn off the pump, set the valve to "rinse," and run for 30 seconds.
- Turn the pump off, set the valve back to "filter," and turn it on again.
DE Filter Cleaning
- Backwash the filter to remove loose debris.
- Turn off the pump, open the air relief valve, and drain the tank.
- Open the filter tank, remove the grids, and rinse thoroughly.
- Use a DE filter cleaner for stubborn dirt on grids.
- Check for cracks or damage on grids.
- Reassemble the filter, add new DE powder, and close the tank.
- Turn on the pump and open the air valve until water flows out.
Safety tips include wearing gloves and goggles, especially when using chemical cleaners. Regular maintenance ensures pool water stays clean and equipment lasts longer. These instructions cover cleaning by rinsing, soaking in cleaning solutions, backwashing, and reassembling to maintain pool filter efficiency.
