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Above Ground Pool Filters & Accessories

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Keep Your Above Ground Pool Clean with the Right Filter

Looking to maintain crystal-clear water all season long? The right above ground pool filter is essential for removing dirt, debris, and microscopic particles that cloud your water. Whether you're setting up a new pool or upgrading your current system, Doheny’s offers a wide selection of filters designed specifically for above ground pools, each with unique benefits to match your pool size, usage, and maintenance preferences.

Why You Need a Filter Built for Above Ground Pools

Above ground pools typically have smaller water volumes and more exposed surfaces, which means they can accumulate debris and lose water clarity faster than inground pools. A properly sized and matched filter system can:

  • Improve water clarity and hygiene
  • Reduce chemical usage
  • Prevent algae and bacteria buildup
  • Extend the life of your pool pump and heater

From compact cartridge systems to powerful sand filters, Doheny’s has the right solution for your setup.

Types of Filters for Above Ground Pools

We carry three main types of filters for above ground pools: sand filters, cartridge filters, and DE (diatomaceous earth) filters. Each offers different levels of filtration and maintenance requirements.

Above Ground Sand Filters

Sand filters are a popular, low-maintenance option for above ground pools. They use specially graded sand to trap particles as small as 20 microns. These systems are easy to operate and require backwashing as needed to flush out debris. Sand typically needs to be replaced every 5–7 years.

Ideal Use Cases: Low maintenance setups, budget-conscious owners

Shop Above Ground Sand Filters →

Above Ground Cartridge Filters

Cartridge filters offer finer filtration, down to 5–7 microns, and are ideal for any size pool. They don’t require backwashing; instead, you simply remove and rinse the cartridge with a garden hose. Cartridges typically last 2–3 seasons depending on usage. Above ground cartridge systems work best with a 2-speed pump and motor. Doheny’s suggests you filter your water for 24 hours a day. A 2 speed pump running on low speed allows you to run your filter your water for less than a third of the cost of a normal pump.

Ideal Use Cases: Easy Maintenance/Water Conservation

Shop Above Ground Cartridge Filters →

Above Ground DE Filters (Diatomaceous Earth)

DE filters provide the highest level of filtration—down to 3-5 microns. They use a fine powder made from fossilized plankton to coat internal fingers and grids and trap even the smallest particles. These filters require backwashing and periodic recharging with DE powder.

Ideal Use Cases: Filtering the finest debris, premium performance

Shop Above Ground DE Filters →

Choosing the Right Filter Size

The right filter depends on your pool’s size and pump flow rate. As a general rule:

  • Small pools (up to 10,000 gallons): 50–75 sq ft cartridge or 16" sand filter
  • Medium pools (10,000–15,000 gallons): 75–100 sq ft cartridge or 19" sand filter
  • Large pools (15,000+ gallons): 100+ sq ft cartridge or 22"+ sand filter

Need help sizing your filter? Call our experts at 800-574-7665 for personalized recommendations. *It is perfectly fine to buy larger filtration systems for smaller pools. More water turnover equals more filtration equals less hassle and more fun.

Filter Accessories & Replacement Parts

Keep your system running smoothly with:

  • Filter media (sand, DE powder, alternative DE)
  • Replacement cartridges
  • Multiport valves for sand and DE systems
  • Filter cleaners to extend the life of your equipment

Shop Filter Media →
Shop Replacement Cartridges →

Frequently Asked Questions

Can I use an inground filter on an above ground pool?

Some inground filters can be adapted, but above ground-specific models are typically more compact, affordable, and easier to install.

What’s the easiest filter to maintain?

Cartridge filters are the easiest—just rinse the cartridge with a hose. No backwashing required.

How often should I clean or replace my above ground pool filter?

  • Cartridge filters: Rinse every few weeks, replace cartridges every 2–3 years
  • Sand filters: Backwash as needed or every 1–2 weeks, replace sand as needed or every 5–7 years
  • DE filters: Backwash and recharge as needed, clean grids 1–2 times per year

Filters Guides

  • Picking a Pool Filter

    Are you looking for the right pool filter to keep your swimming pool sparkling clean? With so many different types of pool filters available, choosing the right one can be overwhelming to say the least. But don’t stress; this handy pool filter buying guide will help you decide which swimming pool filter is the right one for you. After all, a good pool filter is an essential part of a clean, healthy pool.

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