The filter is perhaps the most essential piece of equipment to the operation of a swimming pool. This system has the important job of keeping the water free of debris which would otherwise accumulate and encourage growth of algae and bacteria that may be harmful. There are several types of pool filtration systems for both inground and above-ground pools which each offer various 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.
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 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.
The diatomaceous earth or DE filter offers the ultimate in water clarity and purification, as it has been designed to filter out the most minute particles which are just 3 to 5 microns. Inside the filter is a powdered substrate made from DE, which is a naturally-occurring sedimentary rock with a porous nature that lends itself well to filtration. More work is required to maintain them and they may cost somewhat more, but the speed of operation and efficiency compensates for this.
Whichever type of filter one chooses, it's always best to select a model which is larger than the minimum required for the pool's size. This will cut down on the time needed to spend cleaning the filter. Selecting a system with the lowest amount of pumping to achieve the flow rate is also wise, as this will help reduce operating costs.
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 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.
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 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.
The diatomaceous earth or DE filter offers the ultimate in water clarity and purification, as it has been designed to filter out the most minute particles which are just 3 to 5 microns. Inside the filter is a powdered substrate made from DE, which is a naturally-occurring sedimentary rock with a porous nature that lends itself well to filtration. More work is required to maintain them and they may cost somewhat more, but the speed of operation and efficiency compensates for this.
Whichever type of filter one chooses, it's always best to select a model which is larger than the minimum required for the pool's size. This will cut down on the time needed to spend cleaning the filter. Selecting a system with the lowest amount of pumping to achieve the flow rate is also wise, as this will help reduce operating costs.
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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