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Pool Filters FAQ

By April 30, 2020November 29th, 2020No Comments

Have a question about pool filters but don’t know where to find the answer? Well, you’ve come to the right place! We’re here to answer the most commonly asked questions about pool filters. So, without further ado….

 

How many types of pool filters are there?

There are three main types of pool filters: Sand Filters, DE (Diatomaceous Earth) Filters, and Cartridge Filters. A sand filter employs sand as a filter media and typically has a filtration efficiency of 40 microns. They should be replaced every 3-6 years. A diatomaceous earth filter has a 5-micron filtration efficiency and should be cleaned every 4-8 weeks. A cartridge filter has a filtration efficiency of 10 microns, and should be replaced seasonally.

 

What is a micron?

When it comes to filtration, the smaller the particle removed, the cleaner your pool water will be. The best filters remove impurities you cannot see with the naked eye. This is where microns come in. A micron is a unit of length equal to one millionth of a meter (1/1,000,000 m) or 0.0000394 of an inch. The human eye can only see particles as small as 35 microns without magnification. For comparison purposes, typical atmospheric dust measures between 0.001-10 microns. Always pay attention to the micron rating of a pool filter and remember, the lower the micron rating, the more efficient the filter.

 

What type of pool filter is best for me?

The choice is largely up to you. However, verify which types of pool filters are recommended for your swimming pool before deciding on a type. Due to relatively easy maintenance and overall performance, cartridge filters are an ideal choice for new/first-time pool owners.

 

Do pool filters require maintenance?

Yes, they do, and backwashing (reversing the flow of water through the filter) is key! Sand filters can only be backwashed, and it is generally easy to do so. DE filters may be partially cleaned by backwashing, but after each backwash the filter media should be replaced with a new one. Cartridge filters can be cleaned by hosing them off which only needs to be done once or twice a season.

 

Have a question about pool filters we didn’t answer? Let us know in the comments!

 
EcoBlueLife.com is a replacement water and air filter company located in the United States. The views and opinions contained herein are solely those of the original author and do not represent Eco Blue Life or its affiliates. This article was originally published on FiltersFast.com  
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