why is my pool filter not filtering

Why Is My Pool Filter Not Filtering?

Swimming pools are an excellent way to enjoy the outdoor water fun. However, pool maintenance is essential to maintain a clean and hygienic pool. One of the critical components of pool maintenance is the pool filter. If the pool filter is not filtering correctly, it can lead to problems such as cloudy water, algae growth, and an increased need for chemicals. In this article, we will discuss why your pool filter is not filtering correctly and ways to fix and prevent the problem.

Possible Reasons Why Your Pool Filter is Not Filtering

Clogged Filter

A clogged filter is the most common cause of a pool filter not filtering properly. A pool filter traps and removes dirt, debris, and other particles from the pool water. When the filter becomes clogged, it restricts the flow of water, leading to a drop in the filtration rate. The dirt and debris start to accumulate on the filter media, causing blockages that prevent the filter from functioning correctly.

Inadequate Pump Size

The pump is responsible for circulating the pool water through the filter. If the pump is too small, it will not generate enough flow to force the water through the filter, reducing the filtration rate. Make sure your pump is correctly sized for your pool volume.

Incorrect Filter Size

Choosing the wrong filter size can result in inadequate filtration. If the filter is too small for the size of the pool, it won't be able to handle the volume of water, preventing the filter from working effectively.

Damaged or Worn Out Filter Media

The filter media is the material inside the filter responsible for trapping dirt and debris. Over time, the filter media can become damaged or worn out, reducing its effectiveness. As a result, the filter will not be able to trap particles and contaminants.

Low Water Level

If the pool water level drops below the skimmers, the pool filter will not be able to filter the water correctly. The skimmers are responsible for pulling water into the pool filter, and when the water level is too low, they will not function correctly.

Ways to Fix and Prevent Pool Filter Problems

When your pool filter is not filtering correctly, it can be frustrating. However, there are steps you can take to fix the problem and prevent it from happening again.

Clean or Replace the Filter Media

If the pool filter is not filtering correctly due to clogged filter media, it's time to clean or replace it. The cleaning process will depend on the type of filter you have. You can clean a cartridge filter by hosing it down with water or soaking it in a filter cleaning solution. Sand filters require a backwashing process, which involves reversing the water flow to flush out dirt and debris. DE filters require disassembly to clean the filter grids or fingers.

Check the Pump and Filter Size

Make sure your pump and filter are adequately sized for your pool. If the pump is too small, look into upgrading to a larger one. If the filter is too small, you should consider upgrading to a larger one that can handle the pool's water volume.

Inspect Filter Media for Damage

Inspect the filter media regularly to check for any signs of damage or wear. Over time, the filter media can deteriorate, reducing its effectiveness. Replace the filter media if it's damaged or worn out.

Maintain the Water Level

Maintain the pool water level to ensure that the skimmers can function properly, and the pool filter can filter the water correctly. The water level should be in the middle of the skimmer opening for optimal filtration.

Conclusion

Proper pool maintenance is essential to ensure that your pool is safe and clean. If your pool filter is not filtering correctly, it can be frustrating, but it's not the end of the world. By understanding the potential causes of filter problems and taking the appropriate steps to fix and prevent them, you can keep your pool safe, healthy, and crystal clear.