Central to the efficient operation of a swimming pool, a filter is necessary when it comes to keeping the water clear and safe to swim in. Debris which collects in and on the water is removed through one of several filtering processes, reducing conditions which promote the growth of algae and bacteria. Whether one has an above-ground or inground pool, there are three main types of pool filtration systems, and each comes with certain advantages.
The water in a swimming pool typically cycles through the filter several times every day. Although the techniques vary from one filter design to the next, they all basically operate by pumping the water through a barrier which traps particles of dirt and such, removing it from the swimming pool. They differ in terms of price, care and maintenance, and in the benefits they provide.
What is referred to as the filtration "system" includes both the filter itself and the pump. The latter pulls water from the pool into the former, where contaminants are filtered out, then the clean water is pumped back into the pool. Well-made systems can last for years, and ultimately they will help reduce the time and money one spends on the pool's upkeep.The basic types of filters are the cartridge, sand, and diatomaceous earth (DE) models, which are all compatible with inground and above-ground pools.
Most common are the sand filters. They work by filtering water through a bed of sand contained within them, which is capable of trapping debris measuring20 microns. Cleaning is easy, all that's needed is to run water through them in the reverse direction. The sand substrate doesn't need replacing for several years in most cases. The fact that they are economically priced and easy to use, makes them a top choice.
Also scoring high in terms of low maintenance, ease of use, and cost, is the cartridge filter. A replaceable cartridge element is responsible for filtering out particles as tiny as 10 to 15 microns in size. They have the advantage of being reasonably priced, and can simply be cleaned out with a garden hose, or using a filter cartridge cleaner. They must be replaced every swimming season in most cases.
Diatomaceous earth or DE filters are super-efficient in that they are capable of removing even tiniest of contaminant particles, 3 to 5 microns in size. The result is very clear water. These filters contain a natural, sedimentary rock, known as DE, which is crushed into powder and acts as an ideal filtering substrate. Although they do cost a bit more and their upkeep requires more effort, these make up for this in their speed and efficiency.
Independent of the type of filter one selects, it is best to ensure that it has a larger capacity than the recommended minimum. This will mean less frequent cleanings are needed. A design with minimal pumping action is also desirable, since this means money saved on the monthly power bill.
The system one prefers depends on their personal priorities mostly. Those who are mainly concerned with the clarity of the water, should go with a DE filter style. While those who value simple operation and minimal maintenance, may prefer a sand or cartridge type of filter.
The water in a swimming pool typically cycles through the filter several times every day. Although the techniques vary from one filter design to the next, they all basically operate by pumping the water through a barrier which traps particles of dirt and such, removing it from the swimming pool. They differ in terms of price, care and maintenance, and in the benefits they provide.
What is referred to as the filtration "system" includes both the filter itself and the pump. The latter pulls water from the pool into the former, where contaminants are filtered out, then the clean water is pumped back into the pool. Well-made systems can last for years, and ultimately they will help reduce the time and money one spends on the pool's upkeep.The basic types of filters are the cartridge, sand, and diatomaceous earth (DE) models, which are all compatible with inground and above-ground pools.
Most common are the sand filters. They work by filtering water through a bed of sand contained within them, which is capable of trapping debris measuring20 microns. Cleaning is easy, all that's needed is to run water through them in the reverse direction. The sand substrate doesn't need replacing for several years in most cases. The fact that they are economically priced and easy to use, makes them a top choice.
Also scoring high in terms of low maintenance, ease of use, and cost, is the cartridge filter. A replaceable cartridge element is responsible for filtering out particles as tiny as 10 to 15 microns in size. They have the advantage of being reasonably priced, and can simply be cleaned out with a garden hose, or using a filter cartridge cleaner. They must be replaced every swimming season in most cases.
Diatomaceous earth or DE filters are super-efficient in that they are capable of removing even tiniest of contaminant particles, 3 to 5 microns in size. The result is very clear water. These filters contain a natural, sedimentary rock, known as DE, which is crushed into powder and acts as an ideal filtering substrate. Although they do cost a bit more and their upkeep requires more effort, these make up for this in their speed and efficiency.
Independent of the type of filter one selects, it is best to ensure that it has a larger capacity than the recommended minimum. This will mean less frequent cleanings are needed. A design with minimal pumping action is also desirable, since this means money saved on the monthly power bill.
The system one prefers depends on their personal priorities mostly. Those who are mainly concerned with the clarity of the water, should go with a DE filter style. While those who value simple operation and minimal maintenance, may prefer a sand or cartridge type of filter.
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