Easy Points on Types of Water Filters

There are many types of water filters available nowadays, but it is rather difficult to understand each water filter’s nature and how they actually works! Here are some easy pointers to tell you about the differences of water filter!

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Type: Activated Carbon

Pros & Cons:

  • The unique adsorption properties of carbon material can be used to remove impurities in water, also remove unpleasant odor and chlorine.
  • Cannot soften water quality and filter organic chemicals, bacteria

Most suitable for:
Areas where water quality is acceptable, or has little pollution

Cautious point:
Easily breeds bacteria, hence its filters need to have ground cleaning frequently. Filter heart is recommended to be replaced every 3 to 6 months. Filter water bottle is recommended to be replaced every 1 ~ 2 months.

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Type: Sodium Ion Resin Exchange

Pros & Cons:

  • Using the nature of ion exchange process, to filter excessive calcium, magnesium and other minerals contained in water.
  • However it cannot remove bacteria

Most suitable for:
Areas where water hardness is too high,

Cautious point:
Due to the ion exchange process, there are high levels of sodium ions in water, which is strongly not recommended for household who have members with cardiac issues.

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Type: Reverse Osmosis

Pros & Cons:

  • The semi-permeable membrane is excellent and efficient to remove microorganisms, viruses and bacteria.
  • However the elimination of minerals may cause lack of micronutrients for us to consume daily

Most suitable for:
Areas where water quality is hard or the water metal ion content is too high, areas that have serious water pollution.

Cautious point:
Front filter heart needs to be changed every 3 to 6 months, while the secondary filter needs to be changed every 6 to 8 months, and for the membrane tube needs to be cleaned every three years.
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Type: Hollow Fiber Membrane

Pros & Cons:

  • It’s a very fine multi-layer silk membrane filter which can remove particulate impurities such as bacteria and ions.
  • However it cannot remove heavy metals contained in water.

Most suitable for:
General areas that are not polluted. It is not applicable to heavy metal contaminated areas.

Cautious point:
Because of its susceptible to chlorine corrosion filter, it is best to use by combining of activated carbon filter. Filter is recommended to change every six to eight months.

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Type: Electrolysis

Pros & Cons:

  • Can only be used to separate acidic water and alkali water, hence have no filtering function and must be used with activated carbon to have filter purposes.
  • Acidic water is more commonly recommended to be used for washing and showering, as it is suggested to have beautifying function.
  • Alkali water is more commonly recommended to be used as drinking water, as it can help balancing our body’s pH value, however it is advisable to drink with caution as pH value that are too high may not be suitable for daily consume, especially for infants.
  • During its process it may produce 50% wasted water that ought to be poured, thus has low efficiency and needs to be charged 24 hours in order to work.

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Type: Ozonation

Pro & Cons:

  • Can be used to remove odor, colour and kill bacteria through ozonation
  • However the efficiency would be affected by external factors such as water temperature, concentration of ozone and time of ozone contact with the water.
  • Has low efficiency in filtering organic or non-organic pollutants.
  • Can produce peroxide substance that are harmful and toxic to our body.

Looking for more types of water filters? Visit Cuckoo to find out more information!

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