Fantastic Swimming Pool Filter Pump Timer Pictures
When the initial DE is put in the pool, and the pool pump and components are working properly the pressure on the pressure gauge is noted. DE is then replaced when the pressure gauge reads 710 psi above the baseline reading. As the DE gets dirty, the water pressure builds up and the pressure gauge rises, indicating the need to backwash. Backwashing is when the flow of water is reversed and the water pushes the dirt and debris out of the filter. Backwashing pumps out not only the dirt but also the DE. So after backwashing, new DE is introduced into the skimmer and the process starts over again.
Sand filters for inground swimming pools are so popular among pool owners because they are simple to use and require relatively little maintenance and attention. Also, in the event that a sand filter becomes particularly dirty and clogged, they are easy and fairly inexpensive to replace. On the other hand, some pool owners dislike having to perform the manual task of backwashing several times during each swimming season. However, the main disadvantage of sand filters is the fact that they are the least effective when it comes to removing smaller particles from the water, as they typically can only trap particles as small as 20 microns.
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Diatomaceous Earth Filters: Also known as DE filters, these are the most effective pool water filters and one of the most expensive pieces of pool equipment. Diatomaceous earth is basically the fossilized exoskeleton of minute diatoms. If it fits your budget, a DE filter is always the right swimming pool filter. Picking a Filter for the Pool. When it comes to choosing the right swimming pool filter, there are many things that you have to keep in mind, from budget and other requirements to the effectiveness of the filters available.
If after you backwash, you pressure gauge doesnt return to its normal lower levels, your DE filter may be clogged and needs to be manually cleaned. This manual cleaning should occur about every 6 months. The DE filter needs to be taken apart and manually cleaned because you never get all the old DE out by simply backwashing. This is an extremely tedious process to get all the old DE out of the grids, and this is recommended to just hire a pool professional to do this (unless you like detail oriented tedious projects, then you can attempt to tackle this yourself).