
Some kitchen tools, after prolonged use, become worn out, damaged, or contaminated. Below are household items that need regular replacement to safeguard health. Let's dive in!
1. Water filter cartridges
The water filter cartridge system is the most crucial part of a water filtration device, affecting the purity and sweetness of the water.
As water passes through the filter cartridge system, it removes impurities, bacteria, heavy metals, etc., providing clean, bacteria-free, pure water. Therefore, water filter cartridges accumulate bacteria, dirt over time and can get clogged if not replaced regularly.

>>>More: How Often to Replace Water Filter Cartridges
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2. Air filter cartridges
The filter cartridge of an air purifier is responsible for removing dust particles, bacteria, pet dander, and chemicals in the air. After use, dirt and pet hair will accumulate around the filter cartridge, causing blockage.

A clogged air filter cartridge not only fails to remove dirt from the air but also disperses them into your living space. This can cause respiratory issues and pose risks of allergies and other health problems.
Therefore, users need to monitor and replace the filter cartridge regularly to ensure respiratory health for the whole family. The time to replace the air filter cartridge depends on the type of filter and the usage environment. According to air purifier manufacturers' instructions, users should consider replacing the filter cartridge every 3-6 months to keep the indoor air clean, bacteria-free, and fresh.
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3. Dust filter membranes for robot vacuums, vacuum cleaners
The robot vacuum and vacuum cleaner filter membranes play a role in trapping dirt, bacteria in the dust box, and preventing these agents from escaping into the air. Similar to air purifier filters, vacuum cleaner filter membranes can get clogged with dirt over time.

When the filter membranes of robot vacuums and vacuum cleaners get clogged, the robot has to increase its operating power to be able to suck up dust, but it may not guarantee the cleaning efficiency of the machine.
Regularly replacing the filter membranes of robot vacuums and vacuum cleaners will help maintain a clean and healthy living environment for your family members. The time to replace the filter membranes of robot vacuums and vacuum cleaners is about 3-6 months. If your family lives in an area with a lot of dust or debris, you should consider replacing the filter membranes of robot vacuums sooner.
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4. Non-stick pots/pans
Non-stick pots/ pans are typically coated with a layer of PTFE, also known as Teflon – a chemical compound with effective non-stick properties and almost no friction. Over time, the Teflon coating may wear off due to regular food processing activities.

If the non-stick pot/pan reaches too high a temperature (over 260°C), the non-stick substances may degrade and release into the air, reducing the non-stick ability. Moreover, when the non-stick pan starts peeling, the flakes may mix into the food, affecting the taste and health of consumers.
Therefore, during use, if you notice many scratches on the pot's surface or if it has been used for too long, you should replace it to ensure safety.
5. Plastic food storage containers
After prolonged use, plastic food storage containers deteriorate and no longer guarantee safety. You need to replace them immediately if:
+ The plastic food storage container can no longer seal tightly or loses its lid, then you should buy a new container for replacement. Because if the container lid is loose, it will make it easy for bacteria and insects to invade the food.
+ Plastic containers that still have a strange smell after being thoroughly cleaned will directly affect the food quality.
+ Plastic containers that are heavily faded or cracked should also be replaced to ensure health safety.

6. Wooden kitchen utensils
Wooden kitchen utensils such as chopsticks, cutting boards, spoons, etc., need to be replaced regularly to ensure food safety. The reason is that wooden items are prone to mold if not properly cleaned and stored. When wood is moldy, it contains many aflatoxin toxins that can cause cancer in users.
Therefore, after thoroughly cleaning wooden utensils, you need to air dry them in the sunlight and replace them after about 6 – 12 months to ensure health.

Above are the articles about household items that need regular replacement no matter how expensive they are. Hopefully, with the information shared by Mytour, it will help you maintain the quality of life and family health.
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