How to Backwash a Sand Filter

Backwash a pool

Backwash involves carefully cleansing your children's pool's filter by an approach of reversing the circulation of liquid to flush out contaminents. Backwashing usually takes just a few mins. Carry on the procedure through to the liquid works clear through waste range.

You'll know it is time to perform the backwashing program if the pressure measure suggests a stress rise of 8-10 weight above the clean or "startup" force.​

Dirt Passing Back In Share

If dust or DE (diatamaceous earth) gets through the filter and into the pool, look for:

  • Wrecked grids, laterals or cartridges.
  • Broken manifolds or retainers.
  • Backwash valves having bad gaskets or O-rings.

Maintenance and prevention are foundational to: once you feel a backwash device getting hard to change, do a teardown and lubricate before any leakages take place. While you are at it, carefully analyze grids, laterals, cartridges, and manifolds every time you breakdown a filter for cleansing. Don't be pretty quickly when reassembling-sloppy and careless reassembly after cleaning could be the reason for many filter leakages.

Filters and Backwashing

While each and every style of filter could keep your pool clean, the key to keeing it like that is ensuring the filter may be the correct dimensions and it is on a regular basis cleaned. Therefore, what's the most effective type of filter? The one you are likely to keep clean. Cartridge filters tend to be a well known choice since they're an easy task to maintain. Choose the filter that fits the size of your share.

Backwashing a DE filter should be thought about a temporary solution complete teardown and cleaning aren't practical. Sand filters work nicely with backwashing. Since there is no DE to incorporate, it eliminates the potential for errors which will bring about a dirty pool.

How Frequently In The Event You Backwash?

Backwashing and teardown will depend on how often you employ your children's pool and merely exactly how dirty it gets with normal use. DE filters are often torn-down and cleaned at least six times per year. Upnless your pool gets really dirty, you should not need certainly to backwash it. Sand filters, however, could be backwashed monthly as they are typically torn down 2 times per year.

Source: poolandpatio.about.com
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