An efficient swimming pool filter is a crucial element in keeping swimming pool water looking sparkling clear all year long. With cartridge pool filters, the cartridges don't last forever. Most modern swimming pool filter cartridges should last between 3 and 5 years if cared for properly and should be replaced as they get older and become inefficient at filtering the pool water. Following are several indicators that the cartridge filter is not doing the job and it is time to consider replacing the filter's cartridges.
Rips or Tears in the Filter Cartridge - Rips or tears are a very obvious indicator that the filter cartridges need to be replaced. Over time, rips or tears can develop which will allow dirt and debris to bypass the filter and return to the pool. It is important to carefully inspect each cartridge after each cleaning to make sure there aren't any breaches in the cartridges.
Premature Rise in Filter Pressure - It pays to document the filter pressure after each time the filter cartridges are cleaned. Since the filter cartridges need to be cleaned when the filter pressure increases by 8 to 10 psi, a pattern will develop showing a cleaning time frame for any particular filter. As the filter cartridges get old and start becoming inefficient, this time frame will shorten. When the period of time in between cartridge cleanings becomes very short, they need to be replaced.
Swimming Pool Stays Cloudy or Green - Another indicator that the swimming pool filter cartridges need to be replaced is when the swimming pool water doesn't sparkle the way it normally does. If all of the chemical solutions such as shocking the pool and treating an algae problem with an algaecide are not doing the trick, it is worth considering replacing the filter cartridges.
An inefficient swimming pool filter makes routine pool maintenance a very difficult task, certainly a lot harder than it needs to be. It pays dividends to give routine attention to maintaining the pool filter to make sure it is always working properly and efficiently. With cartridge pool filters, cleaning the filter cartridges when necessary and replacing the cartridges when needed can reduce the time and financial investment of pool maintenance by a huge margin.
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