The frequency of replacing your pool filter depends on factors such as how frequently your pool is used, the size of the filter, and the types of chemicals used to treat the water. In general, properly maintained pool sand filters can last between seven to twenty years, while cartridge filter tanks can last between five to ten years. However, it is important to note that the filter element within the cartridge tanks typically need to be replaced every two to three years.
Even if your pool filter is not at the end of its lifespan, it may need to be changed sooner if you notice a decrease in water pressure or cloudiness in the pool water.
A decrease in water pressure could result from clogs and blockages in the pool filter, restricting the flow of water and reducing its effectiveness. If you notice that your pool water is starting to look cloudy or hazy, this could mean cracks in or damage to your filter. You must change your pool filter when you notice any of these signs.
To determine if your filter is dirty or damaged, you should inspect the filter at least once a month. If the filter is dark in colour, overly clean, and not flowing freely, then it’s time to replace it.
Notice any unusual noises coming from the filter? That could also mean that it is not functioning correctly and needs replacing.
Now that you know what signs indicate that your pool filter needs replacing; the question is, how to do so? Follow our step-by-step guide on how to change the sand in a pool filter or a cartridge filter.