Best Pool Filter

Pool Filter Guide

For an affordable way of getting rid of the tiny particles in your water that can build up, a sand pool filter is a good option. Other options perform to a higher spec and can remove tiny particles. They all do a good job of keeping your pool water clear as long as you understand how they work.

Of course, to buy a decent product, it has to be the right spec for your pool. To help you get this purchase right, we have created the following buyer’s guide.

What To Consider When Looking For A Pool Filter


This number will determine how small the particles are that it can collect and remove. You can usually find a pool sand filter capable of removing up to 20 microns small. Considering that the human eye can only detect particles as small as 40 microns, this will do a good job of keeping your pool clean.

Pool Size

Is the pool filter you have your eye on right for the size of your pool? This is a consideration you shouldn’t neglect as it will determine how well the filter can clear the pool water. 

Buy a filter that is too small for the spec of your pool and you will find it has to run constantly or your pool will not look its best.

Matching the capacity to your pool is important and usually, the pool filter manufacturer will specify the capacity it will work with.

Easy Installation

Some products take minutes to install whereas others, especially in-ground pools, might require the help of a professional.

If you do have an above ground pool, the maximum time you can expect to spend installing your pool filter is an hour.


Although they are effective at removing small particles, you cannot expect a cartridge filter to last as long as sand or DE filter, and this is with regular hosing. 

Despite this, you should get a few years out of each cartridge. Otherwise, most pool filters last 5-15 years.


Even with the reputable brands, you can end up with a faulty product. This is why it is important to protect your purchase with a warranty. Look for a year or two as a minimum.

Different Types of Pool Filters

With a variety of options, there is something to fit into every budget.


These are some of the most common pool filters and are well suited to smaller pools. They are pretty easy to maintain but do require backwashing to work. The most affordable option and most products can clear particles of around 20 microns.


These can remove smaller particles than sand pool filters so expect to be able to get rid of tiny 15-micron specs. They are slightly more expensive and do require replacing after a while but with the right level of maintenance, you can make them last a longer.


These are not as well suited to above-ground polls so you won’t always find products that work for those types. Still, they are a high0-end option for in-ground pool owners and are natural.

It flows through the filter and traps smaller particles than the other types, some as small as 2 microns. by adding it through the skimmer, it is also easy to use.

Pool Filter Sand Vs Cartridge

For anyone on a budget, sand is the best option. They are pretty efficient at getting rid of small particles although cartridge is capable of remove smaller.

Still, they can be found for half the price of the cartridge pool filters. They also tend to last longer, because a cartridge filter needs to be hosed down and changed more frequently, there can be lower maintenance with a sand filter.

They are ideal for smaller pools although they might not be as sufficient for anyone with a larger pool. A cartridge filter is better for anyone with a medium or large pool and they do not require backwashing to do their job. 

What Is The Easiest Pool Filter For Beginners?

Most people consider a cartridge pool filter to be the easiest for a beginner to use. They are easier to maintain and only require rinsing off to clear the cartridge from time to time. 

They also help to remove small particles and do not require backwashing like a DE or sand filter. 

the only downside to a cartridge filter is that they generally last around 3 years, and that is if you maintain them well.

What Is The Best Pool filter On A budget?

The most affordable pool filters are sand filters. They might not remove such small microns as the other options but they do cost considerably less than a DE filter system.

Expect them to last a long time and the level of maintenance required isn’t too high.

How Long Does A Pool Filter Last?

This depends on the product and brand as some are made better than others. A cartridge pool filter doesn’t have as long a lifespan as the others but most people suggest that 2,000 hours is a decent amount of life for a filter.

How Can I Tell I Need To Replace My Pool Filter?

Some telling signs are easy to spot. Firstly, the pool will not be as clean as it usually is. As long as the other parts are functioning properly, this is when you should check your filter.

If it is a cartridge pool filter, rinse it off and see if this fixes the problem. If the small particles still collect and you notice it is not as clean, it can be time to replace the pool filter.

How Much Does A Pool Filter Cost?

This varies from product to product and also the type of pool filter you buy. Expect to have to pay more the larger your pool is but a lot of the time, you can pick up a sand pool filter for around $200 if you have an above ground pool. 

Otherwise, for an in-ground pool, you will need to spend $600 and above.

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