Changing the Swimming Pool Filter Sand
2018-4-11 · The First Step in Changing Your Sand Is to Remove the Old Sand. To remove the old sand from your swimming pool filter, you will need to open the …Why is Sand Blowing Out of a Pool Filter? | HunkerA sand filter is basically a large tank filled with pool-grade sand, which is coarser than regular play sand. Water enters the tank through an inlet at the top, and gravity pulls it downward, removing impurities that get lodged in the sand. At the bottom of the tank, the water enters the laterals, which have tiny perforations that keep out the sand.