The Purpose of Pool Filters

by Pool Builders on 10-31-2010 in Articles

If you have built a brand new backyard pool or have just purchased a home with an existing swimming pool, it's time to get educated about the equipment you'll need to keep it clean and safe. One of the most important components of a healthy clear pool is its filter. Here is a quick overview of the purpose of pool filters and which type might be best for your needs.

The chemicals you put in your pool are meant to keep algae at bay, kill bacteria and maintain safe pH levels for swimmers. But what about all those little floaties and microscopic particulates that make their way into your pool? Your skimmer can't take care of these: they're too small! That's where pool filters come in: their job is to keep the water clear.

Pool Filter Cartridges

Easy in, easy out is the mantra for this style of filter. If your pool is 30,000 gallons or less and gets a moderate amount of use, this type of filter will be just fine. It removes particulates measuring between 25 and 100 microns in size and is the easiest type to use in terms of maintenance. Basically you just take it out once or twice a season, clean off the grime with a high-pressure hose and you're good to go again.

D.E Pool Filters

Diatomaceous Earth (D.E) filters work by filtering recirculating water through a grid covered in powder made from the skeletons of microscopic organic fossils (yes, really)! These fossils look and act like little sponges, attracting particulates even as small as three to five microns in diameter and trapping them within nooks and crannies. This type of filter requires a little more upkeep, but you'll definitely have the cleanest pool on the block!

Other than type, the most important consideration to remember is getting the right size. If you have any questions about whether or not you're using a size that's adequate for your needs, consult with a pool professional.

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