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Do you know the water quality of your home?
Tap water, groundwater, buildings, and detached residential, all have different water qualities.
Are you assured of the filters you buy? Is the big brand a guarantee of quality?
Don't just trust the brand, the filter that meets the characteristics of your water quality is the best filter.

Before choosing a filter, learn about the pollutants in the water and the functions of various filters.

What are the pollutants in the water?

Filter introduction :

What is Iodine value?
An indicator of the degree of unsaturation in organic compounds. Refers to the grams of iodine that can be absorbed (added) in 100g of material. Mainly used for the determination of oils, fatty acids, waxes and polyesters. The greater the degree of unsaturation, the higher the iodine value.
This refers to the degree of saturation of activated carbon. When the iodine value is higher, it means that the adsorption and filtration capacity of the activated carbon is better.

Why use sintered carbon block?
In addition to the iodine value requirements of activated carbon powder, in order to achieve the effect of microporous filtration, the granular carbon is compressed into carbon block. Generally, there are two processes: screw and sintering. When the micropore requirements are smaller, the use of sintering can retain more pores and better structure. This means that it can have more adsorption holes.

When to use activated carbon fiber?
The activated carbon fibers has a better adsorption effect and longer service life.
As the surface of activated carbon fibers have a large number of fine pores within the surface area, adsorption speed is very fast, is granular activated carbon, or carbon block 5~10 times.
So isn't it better to use activated carbon fiber filter? But generally we will match the lifetime of other filter materials. If the amount of water used is not large, it will be an inappropriate choice.

When to use hollow fiber membrane filter?
In addition to RO membrane, hollow fiber membrane is the most reliable filter material for filtering bacteria and retaining minerals. So if you drink directly after filtering, it is recommended that you install a hollow fiber membrane.

If groundwater is used.
Usually it is not only fine sand and chlorine to be filtered, but underground metal ions, chemical pollutants and parasites. Therefore, it is recommended to use better quality activated carbon. If there is doubt about heavy metals and chemical pollution, even higher iodine value activated carbon is added to the filter material for removing heavy metals. If possible, add a hollow fiber membrane at the end to filter bacteria and parasites.
Reduce heavy metals media ---
Filter out lead and heavy metals such as Arsenic, Mercury, Cadmium, Copper, Antimony, Uranium, Zinc, Selenium, Chrome+6
If possible, add a hollow fiber membrane at the end to filter bacteria and parasites.

What if it is hard water?
If you want to reduce the scale of the coffee machine and kettle, you can install a scale inhibitor filter in the water purifier or add a scale inhibitor formula to the activated carbon filter.
Inhibit the generation of scale.
Calcium creates scale in pipes, on appliances and other plumbing surfaces.
This leads to higher heating and energy costs and expensive repairs fee, such as ice machines, coffee makers, dishwashers and boiler in commercial applications.
Scale can also be a source for bacteria grow.
On the other hand, calcium is very important to human health, should not remove all the calcium in drinking water.
- Don't produce sodium, suitable for hypertensive patients and senior citizens
- No salt, no regeneration
- No backwashing and zero discharge
- No discharge salt water, harmless to the environment
- Long-lasting, No maintenance free
But if you want to solve the problem of faucet scale in the whole house, you must install a whole house water softener.

After reading the above introduction, I believe that you have quite concept on the choice of the filter.