Water filters are a great way to remove toxins and contaminants from water and prevent illness and assure freshness in quality. Eventually, though, they become less effective and require replacement. Outdated water filters are more likely to allow pollutants and bacteria to pass through and remain in drinking water. How often should you replace a water filter, though? There’s no specific rule regarding when to change water filters, so it can be challenging to determine the proper replacement schedule. Ask the following questions to ensure that water purification filters are always up-to-date.
What Kind of Water Purification Filter Is It?
First, it must assess what kind of water filter is in use. For example, a water filter that attaches to a faucet requires replacement more frequently than a filter in a refrigerator. Faucet-mounted filters will become less effective after two to three months of use, while refrigerator water filters may last as long as six months. Because they have various capacities, some will typically last longer than others.
What Kind of Filter Does It Use?
In addition to the different configurations that a water filter can come in, there are different types of materials that a water filter may use. Some use activated charcoal, for example, that comes from coconuts. Activated charcoal filters water by absorbing impurities, and users should replace them at least every three months. Other types of water filters — especially those that are more advanced — may use ultraviolet light to remove impurities in the water. These types of water filtration systems don’t rely on disposable filters and therefore don’t require replacements, but the UV bulbs may eventually burn out.
How Often Do You It?
Another critical factor that will determine the lifespan of a water filter is the frequency of its use. A water filter in a workplace with dozens of people will require replacement more frequently than one with infrequent use. Generally, any that undergoes daily use should receive a replacement within a month or two. It is true for most filter configurations that use a disposable activated charcoal filter. If a filter has additional water-softening features, it may be necessary to replace it more frequently.
What Does the Water Purification Device Manufacturer Recommend?
If you are still unsure how frequently you should replace a water filter, it’s a good idea to refer to any guidance from the manufacturer. Most water filters come with a user guide outlining the ideal schedule for changing the filter. Adhere to these guidelines to ensure that your water purification device continues purifying water effectively, and err on the side of caution by replacing filters regularly.
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