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Sand Filters: An Affordable Way to Clean In-Ground and Above-Ground Pools

Sand Filters: How They Work, Benefits, and More

Being the oldest type of pool filtration system, the sand filter has lost some popularity over time, but it functions pretty much as the name implies. As dirty water enters the tank, it passes through a bed of sand that catches the water’s particles before outputting relatively clean water back to the pool. Sand filters run continuously, but this leads to the eventual erosion of the sand, which in turn leads to poorer filtration. The result is water that appears visibly "murky," in which case the sand may need to be replaced

On the upside, sand filters are economical and easy to clean. You can simply backwash the pool’s water every once in a while to keep the filter clean, and especially after big storms to get rid of debris. Backwashing is not difficult, but if you notice the continued presence of sand in the pool, it could mean that there is a crack in filter, and it needs to be replaced.

Identifying the Signs: Knowing When to Repair Sand Filters

If you suspect that the sand filter is functioning improperly, there are a few things you can check. Prior to disassembling the filter, inspect the backwash valve or the filter itself; the following indicators may help determine whether or not there is a problem:

  1. Filter obstruction
  2. Poor or no suction
  3. Incorrect valve placement
  4. A clogged impeller
  5. Sand quality degradation
  6. Improper water flow
  7. An “O” ring that may be in poorly repaired or missing
  8. Malfunctioning Weir ring or diffuser
  9. Worn motor bearings or excess motor drag
  10. Cracked hoses that may be pulling in air
  11. The prevention of water flow due to a faulty backwash valve
  12. Clogged filter

Call Hawkins for Full Maintenance of Sand Filters

Having problems with your sand filter? Call us today at 1-866-429-5782 for an immediate response.

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