Pool Filter

A pool filter is the heart of your pool's circulation system, working to remove debris, dirt, and contaminants so your water stays clean and swimmable. Whether you're dealing with sand, cartridge, or DE filters, each type requires specific maintenance to perform its best. From routine cleaning to full replacements, Angi connects you with local pros and helpful guides to keep your pool crystal clear.

Related to Pool Filter Service

Pool Filter Service Articles and Advice
Stacey L. Nash  •  Apr 10, 2026
How Long Do Pool Filters Last? The Long and Short of Better Filtration
How long do pool filters last? Maintaining crystal clear water will depend on pool size, use, the chemicals used, and the filter type.
Lauren Bongard  •  Apr 10, 2026
How Much Sand Do You Need for Your Pool Filter?
How much sand does a pool filter need? We’ve got the easy answers to how sand filters work and how to calculate your filter’s needs.
Mariel Loveland  •  Apr 10, 2026
How Much Does It Cost to Open a Pool? [2026 Data]
If you’re looking to get your backyard summer-ready, use this guide to learn pool opening costs, budget appropriately, and how to save money.
Angi  •  Apr 6, 2026
How Much Does a Pool Filter Cost? [2026 Data]
Find out the average cost to install a pool filter, including installation, maintenance, and replacement, plus tips on choosing the right filter for your pool.
Stephanie Mickelson  •  Mar 19, 2026
When Should You Change the Sand in a Pool Filter?
Changing the sand in the pool filter will keep the water clean and the filter functioning. But when should you change the sand in a pool filter? Let’s find out.
Lauren Bongard  •  Feb 19, 2026
Sand vs. Cartridge Pool Filters: Which Gets Water Clearer?
Deciding between sand versus cartridge pool filters? Plunge into the specifics of each type of pool filter, pros, cons, and comparisons in this handy guide.
Amy Freeman  •  Feb 19, 2026
Why Is My Pool Filter Blowing Out Sand? 2 Reasons Why
If your pool feels gritty, you may be wondering "why is my pool filter blowing out sand?" Here are a few reasons why and what to do about it.
Taylor Freitas  •  Feb 19, 2026
Why Is There Sand In My Pool? 3 Potential Causes and Solutions
Why is there sand in my pool? Often, it’s due to a broken sand filter, but there are other common causes as well. Here’s how to identify and fix the problem.
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Common Pool Filter Service Questions

Pool filter installation or replacement costs between $250 and $2,000 , with an average of $1,125. Many filter types can be found at low and high price points within the range. For example, cartridge filters can cost anywhere from $200 to $1,600, while DE filters cost between $520 and $2,000. It depends on the make, model, and pool type.

A new pool filter costs between $250 and $2,000, so keeping up with maintenance is important to prolong the filter's life and avoid extra costs. Cleaning a cartridge filter only costs between $20 and $40 for the supplies, and it will take a few hours of your time, but it can end up saving you big money.

Replacing a pool filter costs anywhere from $250 to $2,000 . However, prices vary depending on the type of filter. For example, cartridge filters run between $200 and $1,600 , while sand filters range from $300 to $1,200 . On the higher end, diatomaceous earth (DE) filters, which are more effective and durable than cartridge and sand filters, cost $520 to $2,000 .

There are three types of pool filters—cartridge, sand, and D.E. (diatomaceous earth). Cartridge and sand filters are the most popular types and are affordable and easy to maintain. D.E. filters are more expensive and require more maintenance, but they are also very good at filtering out small particles.

If you don’t change your pool filter, you could end up with a big repair bill. A clogged filter can overwork your pump and lead to premature pump failure. It can also be caused cloudy water, algae growth, water pressure problems, and inconsistent chemical levels, potentially leading to eye and skin irritation, according to the CDC.