Last Updated: May 10, 2021
There are three different types of pool filters that you can choose for your pool. All have various positives and negatives to them. Before deciding which one is best for you, it pays to do some research and make sure you truly understand the differences. We have broken this down for you in a simple and understandable format so you can make the best decision as to what you need.
Is one of these pool filters better than the other? Read on to find out.
A sand filter uses sand to filter the water in your pool. A unique pool grade sand helps to trap dirt particles and clean the water.
A sand filter is a perfect solution for pools that get heavy use. You can run the filter 24 hours a day, making it an excellent choice for commercial and public pools. Sand filters will filter down to 10/15 microns. Some more expensive sand filters have the ability to get smaller than that, but 10/15 is about standard on a new Sand filter.
A cartridge filter uses a paper type cartridge to clean the water in your swimming pool. Cartridge filters clean to about the same level that a sand filter will. Cartridge filters are better for the environment as they don’t require a weekly backwash.
Cartridges need to be cleaned every six months or so, and they should last three to five years.
Cartridge filters tend to perform well at lower speeds. If you happen to own a variable speed pump, a cartridge filter can be an excellent match for it.
Diatomaceous Earth (DE) Filters use DE as the filter media. Since DE is finer than sand and the cartridge used in the cartridge filter, this pool will clean to 5/8 microns. Quite a bit smaller than the capabilities of the sand and cartridge filter.
DE powder needs to be added to the pool every time you vacuum the pool. When you are finished cleaning, you need to backwash the pool as well. This backwash should be done at least monthly.
The replacement costs on DE filters are quite high, so proper maintenance is imperative.
Upkeep on the DE filters is more complicated, and that is one reason that will cause people to choose a different option. If your pool is located under dense foliage, the DE filter is the best choice. The fact that it is cleaned to the 5/8 microns will keep your pool much cleaner than the sand or cartridge filter will be able to.
DE filters also require a direct connection into the sanitary system for the monthly backwash to be done correctly.
The good news is that there is no right or wrong answer as far as which filter is better than the other.
You will need to make a decision based on your particular pool and needs to decide which filter will work. There are, however, three essential things we suggest keeping in mind when choosing your filter.
Although there is no clear winner in this battle, we do have our personal preferences. If you are a residential pool owner, the cartridge filter is a great choice. Without having to do weekly backwashes, you will be doing some good for the environment. Although the cartridge will need to be replaced every few years, this option seems to be most popular among homeowners that we speak with.
Featured image credit: Water park pool, Pixabay
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