Pool Filters

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Swimming pool filters are a key piece of equipment within the pool filtration system. Water is pumped through the filter, capturing any debris within the tank before returning it back to the swimming pool. Read more There are two main types of pool filters: cartridge filters and media filters (commonly known as sand filters). Cartridge filters are a cylindrical tank with a paper element inside. Media filters are a larger round tank, usually 60 to 80 cm in diameter and filled with sand or glass filtration media.

Cartridge filters require far more maintenance, with the internal element requiring cleaning, and are known to clog quite easily, especially with heavy debris and pool chemicals. Media filters have a much larger capacity and have little to no issues with clogging while using pool chemicals.

Cartridge filters require far more maintenance, with the internal element requiring cleaning, and are known to clog quite easily, especially with heavy debris and pool chemicals. Media filters have a much larger capacity and have little to no issues with clogging while using pool chemicals.

Cartridge filters are an easy option for new pools or DIY jobs as they do not require a backwash line to be plumbed into a sewer. Initial costs of a cartridge filter are usually $250 to $600, which is a cheaper option, but these do require a new replacement element every 1 to 2 years, depending on maintenance and application.

Media filters have a higher upfront cost of more than $500, but are far more reliable and have an average lifespan of over 10 years. Media filters do require more technical installation, which is usually performed by a professional, but the costs are outweighed by the performance of the filter.

Pool clarity is directly linked to the filtration. Cloudy water is usually the result of a dirty or poor performing filter. Cleaning a cartridge filter can take anywhere from 10 to 30 minutes, and would use 200 to 300 litres of water (via a hose) to clean. The Media Filter cleaning process (depending on size) is 60 seconds on BACKWASH, 30 seconds on RINSE and then back to FILTER. This process takes under 2 minutes and dispels approximately 400 litres of water.


Cartridge Filter -

Pros: Cost effective, easy installation

Cons: Ongoing costs, easily clogged, high maintenance


Sand Filter -

Pros: Longevity, high performance, low maintenance, reliable


Cons: Upfront investment, professional installation, waste line


Tip: Use a scoop of Napisan to soak cartridge filter elements for easier cleaning and longer performance