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 entire volume of water contained in a swimming pool normally passes through the filter a few times each day. While the exact filtration mechanism can differ from one type to the next, all filters serve the function of accepting pumped in "dirty" water into a barrier which removes particles of debris. The cost, amount of maintenance required, and advantages each provides differ.
Together, the filter and pump work to keep the water clean and clear. The pump forces water into the filter where the impurities are removed, then it returns the clean water back into circulation the pool. A high-quality filtration system will last for many years and can help keep the time and money spent on maintenance and operation down. There are three types of filters: sand, cartridge, and diatomaceous earth or DE filters, all of which can be used with both inground and above-ground pools.
Most common of all types are the sand filters. This kind features an in-filter sand bed as its filtration site. Particles which are 20 microns in size will be trapped. Cleaning is done by reversing the flow of water through the unit, and generally the sand can be used for several years. They are a popular choice due to their reasonable pricing and easy operation.
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.
With any filter design, it is a good idea to choose a model with a larger capacity than the minimum indicated for the size of the swimming pool. This will mean one has to spend less time cleaning the system. Also, it's helpful to opt for a set-up with minimal pumping, as this will reduce costs for electricity needed to run it.
Ultimately, it is a matter of personal preference. Users who greatly value having ultra-clear water, will be best served with a DE filter, while those who are more concerned with ease of use, will likely prefer a cartridge or sand filter for its relatively simple maintenance.
The entire volume of water contained in a swimming pool normally passes through the filter a few times each day. While the exact filtration mechanism can differ from one type to the next, all filters serve the function of accepting pumped in "dirty" water into a barrier which removes particles of debris. The cost, amount of maintenance required, and advantages each provides differ.
Together, the filter and pump work to keep the water clean and clear. The pump forces water into the filter where the impurities are removed, then it returns the clean water back into circulation the pool. A high-quality filtration system will last for many years and can help keep the time and money spent on maintenance and operation down. There are three types of filters: sand, cartridge, and diatomaceous earth or DE filters, all of which can be used with both inground and above-ground pools.
Most common of all types are the sand filters. This kind features an in-filter sand bed as its filtration site. Particles which are 20 microns in size will be trapped. Cleaning is done by reversing the flow of water through the unit, and generally the sand can be used for several years. They are a popular choice due to their reasonable pricing and easy operation.
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.
With any filter design, it is a good idea to choose a model with a larger capacity than the minimum indicated for the size of the swimming pool. This will mean one has to spend less time cleaning the system. Also, it's helpful to opt for a set-up with minimal pumping, as this will reduce costs for electricity needed to run it.
Ultimately, it is a matter of personal preference. Users who greatly value having ultra-clear water, will be best served with a DE filter, while those who are more concerned with ease of use, will likely prefer a cartridge or sand filter for its relatively simple maintenance.
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