what type of pool filter should i buy

What Type of Pool Filter Should I Buy?

Summer season always comes with the urge to go for a swim. Whether it is a private or public swimming pool, it is necessary to have clean and healthy water. One way of ensuring this is by using a reliable pool filter. With so many options available in the market, choosing the right type of pool filter can be challenging. This article provides comprehensive information about the different types of pool filters to help you make an informed decision.

What is a pool filter, and why do you need it?

A pool filter is a device used to remove debris and contaminants from the water. Without it, the pool water becomes murky, and the risk of bacteria and algae growth increases. A pool filter ensures that the water circulates and gets cleaned continuously. It helps keep the water crystal clear and healthy for swimming.

Types of pool filters

There are three main types of pool filters: sand filters, cartridge filters, and diatomaceous earth (DE) filters. Understanding how they work and their pros and cons can help you choose the right type for your needs.

1. Sand filters

Sand filters are the most common type of pool filters. They operate by filtering water through a bed of sand. As the water passes through the sand, it traps debris and contaminants, leaving the water clean. The filter requires backwashing, where water is passed through in the opposite direction, to clean out the debris.

Pros:

- Easy to maintain and use

- Long-lasting

- Provide decent filtration

- Affordable

Cons:

- Only remove debris up to 20 microns in size, which may not remove bacteria and algae.

- Requires regular backwashing, which can waste water.

2. Cartridge filters

Cartridge filters work by filtering water through a pleated material. The pleats trap dirt, debris, and contaminants, leaving the water clean. The filter requires cleaning by hosing off the cartridge when it gets dirty.

Pros:

- Provide better filtration than sand filters, removing debris up to 10 microns.

- Easy to maintain and use

- No backwashing required, which saves water.

Cons:

- Need to be cleaned regularly.

- More expensive than sand filters.

- Not suitable for large pools or heavy usage.

3. DE filters

Diatomaceous earth filters work by using a fine powder made from crushed diatomaceous earth. The powder is coated on a mesh grid, which traps debris and contaminants, leaving the water clean. The filter requires backwashing and adding more DE powder to maintain proper filtration.

Pros:

- Provide the best filtration, removing debris up to 5 microns in size.

- Long-lasting and durable.

- Suitable for large pools or heavy usage.

Cons:

- Most expensive type of pool filter.

- Requires more maintenance than sand or cartridge filters.

- DE powder can clog plumbing and reduce water flow.

Which type of pool filter is the best?

Each type of pool filter has its own set of advantages and disadvantages. Choosing the best type depends on your needs, budget, and pool size. Sand filters are suitable for most residential pools, while diatomaceous earth filters are more suitable for large pools or heavy usage. Cartridge filters are more expensive than sand but offer better filtration. Ensure that you consider the maintenance and operating costs before making a purchase.

Conclusion

A pool filter is an essential component of any swimming pool. It helps keep the water clean and healthy for swimming. Choosing the right type of pool filter can be challenging, but by understanding the differences between sand, cartridge, and diatomaceous earth filters, you can choose the best one for your pool. Consider the maintenance, operating costs, and your pool size before making a purchase. Remember, regular maintenance is necessary to keep your pool filter functioning correctly for many years.