why does my pool filter keep losing pressure

Author: Poolking - Swimming Pool Equipment Manufacturer

If you own a pool, you know how relaxing a good swim can be. But to keep your pool clean and safe to swim in, it's important to maintain your pool filter. One of the most common issues pool owners experience is a loss of pressure in their pool filter. In this article, we'll explore the possible causes of this problem and give you solutions to fix it.

What is a pool filter?

Before we dive into the causes of pressure loss, it's important to understand what a pool filter is and what it does. A pool filter is a device that removes debris and other contaminants from your pool's water. The filter contains a medium, such as sand, cartridge, or diatomaceous earth, that catches and holds debris as the water passes through it. The clean water then returns to the pool.

What causes pressure loss in a pool filter?

1. Dirty filter medium

Over time, the medium in your pool filter will become clogged with debris, causing the filter's pressure to drop. This is a natural process and can be fixed by backwashing (for sand or diatomaceous earth filters) or cleaning or replacing the cartridge (for a cartridge filter).

2. Air leaks

If there is an air leak in your filter or its plumbing, air can enter the system, causing the pressure to drop. Check all of the connections and gaskets for leaks and replace or tighten them as needed.

3. Pump problems

If your pool's pump is not functioning properly, it can cause a drop in pressure. Check the pump for any damage or worn parts and replace them as needed.

4. Dirty skimmer and pump baskets

Both the skimmer and pump baskets can become clogged with debris, reducing the flow of water and causing a drop in pressure. Clean these regularly to prevent this issue.

5. Large debris

If a large object, such as a leaf or piece of debris, gets stuck in the skimmer or pump, it can block the flow of water, causing a drop in pressure. Check these areas for any large debris and remove it if found.

How can you fix pressure loss in your pool filter?

1. Clean or replace the filter medium

The easiest way to fix pressure loss caused by a dirty filter medium is to backwash (for sand or diatomaceous earth filters) or clean or replace the cartridge (for a cartridge filter).

2. Check for air leaks

If there is an air leak in your system, check all of the connections and gaskets for leaks and replace or tighten them as needed.

3. Replace the pump

If your pool's pump is not functioning properly, it may be time to replace it. Consult a professional to determine if this is the issue.

4. Clean the skimmer and pump baskets

Regularly cleaning these baskets can prevent debris from clogging them and causing a drop in pressure.

5. Remove any large debris

If you find a large object blocking the flow of water, remove it to restore proper water flow and pressure.

Conclusion

Maintaining your pool filter is key to keeping your pool clean and safe to swim in. A loss of pressure in your pool filter can be caused by several factors, including a dirty filter medium, air leaks, pump problems, dirty baskets, and large debris. By understanding the causes of pressure loss and following these solutions, you can keep your pool filter working properly and your pool crystal clear.