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Speak With One of Our Pool Filters Experts
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Swimming Pool Filters - FAQs
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Read as one of our swimming pool filter experts gives you the answers to the most frequently asked questions about pool filters. |
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Mark Ewen |
- What type of swimming pool filter should I use in my swimming pool?
- Which type of swimming pool filter will keep my pool the cleanest?
- Which pool filter involves the least amount of maintenance?
- What is a backwash valve on a swimming pool filter?
- How often is it necessary to backwash my pool filter?
- Does the sand in a sand pool filter need to be changed?
- What kind of sand needs to be used in a sand pool filter?
- Does a cartridge filter need to be backwashed also?
- How often does a cartridge filter need to be cleaned?
- How much diatomaceous earth (D.E.) do I need in a diatomaceous earth pool filter?
Q: What type of swimming pool filter should I use in my swimming pool?
A: The three main types of pool filters you have to choose from are: cartridge filters, sand filters, and diatomaceous earth (D.E.) filters. Each filter has different strengths. Your decision will be based on what is more important to you: the cleanest clearest water possible, or ease of maintenance.
Q: Which type of swimming pool filter will keep my pool the cleanest?
A: The smaller the particles the pool filter will trap the cleaner your pool will be. Diatomaceous earth (D.E.) pool filters are widely recognized for filtering down the smallest particles of any pool filters (3-5 microns). Any particle under 40 microns is invisible to the human eye but large quantities of these size particles can cause water to appear cloudy. After a diatomaceous earth (D.E.) pool filter, in order of filtering capabilities, come cartridge filters and sand filters respectively.
Q: Which pool filter involves the least amount of maintenance?
A: Cartridge pool filters have won over many pool owners for their ease of maintenance, simply open the housing, pull out the filter cartridge and wash off. Cartridges can also be soaked in special solutions to remove mineral deposits. Sand filters are also very easy as far as maintenance. The sand filter is designed to allow for backwashing that will knock loose accumulated debris leaving the sand clean and ready for more filtering of your pool water. Of the 3 types of pool filters the diatomaceous earth (D.E.) filters require the most detailed maintenance routine.
Q: What is a backwash valve on a swimming pool filter?
A: A backwash valve is a feature that allows the flow of water to be reversed through a sand or diatomaceous earth (D.E.) filter in order to refresh the filter by knocking loose accumulated dirt and debris and leave the sand or (D.E.) clean and ready for further use.
Q: How often is it necessary to backwash my pool filter?
A: The frequency of backwashing will depend on many factors including the size of your filter, flow rate of your plumbing, and bather load in your pool. You will know your filter needs to be backwashed when the pressure reading on your filter reaches the specified level (as set out in the filters manuals guidelines). Whenever the pressure reaches this level the filter should be backwashed.
Q: Does the sand in a sand pool filter need to be changed?
A: Yes! The sand in your sand filter should be changed every 3-4 years.
Q: What kind of sand needs to be used in a sand pool filter?
A: Not just any sand is appropriate for a sand filter. Special sand pool filter sand (Silica Sand, Angular Sand) can be purchased for this purpose.
Q: Does a cartridge filter need to be backwashed also?
A: No. Cartridges are cleaned by removal and spraying with a hose.
Q: How often does a cartridge filter need to be cleaned?
A: The frequency of cartridge maintenance will depend on many factors including the size of your filter, flow rate of your plumbing, and bather load in your pool. You will know when you need to clean the cartridge by the pressure reading on your pool filter. A good rule of thumb is to remove and clean the cartridge when this reading is above 15 pounds.
Q: How much diatomaceous earth (D.E.) do I need in a diatomaceous earth pool filter?
A: The amount of diatomaceous earth (D.E.) you will depend on the size of your (D.E.) filter. The best guide is to follow the manufacturer specified guidelines set out in your owners manual.
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