“Regret rate of 100%” of the water purifier, stemming from 5 misunderstandings, buy or not buy will regret

“Regret rate of 100%” of the water purifier, stemming from 5 misunderstandings, buy or not buy will regret

A water purifier is an amazing product that most people have misconceptions about, and they're multifaceted. This makes some people who need it not buy it, and those who don't need it buy it and take it home - and they end up regretting it. Those who bought it regretted it: it wasn't what they expected. Those who didn't buy it regret it: they didn't expect it to work so well.

Before you buy a water purifier, please take another look at the following misconceptions let you buy without regret!

Misunderstanding 1

mention “pure water”, many people think of the first time is the supermarket shelves of those packaged drinking water. Bottled water on the bottle to drink, so many people on the “pure water” and “drinking water” equated.

This perception is wrong!

The definition of pure water is: TDS value ≤ 50mg / L.

This means that the “pure water” is only less impurities in the water, water purity is relatively high. But less impurities does not mean that you can drink directly, “pure water” and “drinking water” is also a world of difference: to drink directly, you also need to ensure that the impurities contained in the water is harmless to the human body (or control of harmful impurity content). A water purifier can filter tap water into pure water, but it cannot ensure the level of impurities. Therefore, the water filtered through the water purifier is still not directly drinkable, it is best to boil before drinking.

Myth 2

A lot of people who bought a water purifier are complaining: every year to change the cartridge will be several thousand, really can not afford to use!

But in fact, the replacement frequency of the water purifier cartridge does not need to be so frequent. Water purifier body will prompt you to replace the cartridge, it is based on time: every six months, will remind the replacement of a PP cotton and activated carbon cartridge; every one to three years, will remind the replacement of a RO membrane cartridge. But “time” basis is not reliable: you use 5 tons of water a year, I only use 1 ton of water a year, why we have to change the cartridge?

Therefore, the correct basis for replacing the cartridge should be the TDS value of the purified water -

Measure the TDS value of the filtered water, and consider replacing the cartridge when the value exceeds 30mg/L. Otherwise, even if there is a prompt on the body of the machine, it is still not a good idea to replace the cartridge. Otherwise, even if there is a prompt on the machine, you only need to manually click the “reset” button.

Myth 3

Many people think that the water purifier with several densely packed cartridges is good, so they choose a multi-cartridge water purifier at a high price or miss out on the more advanced composite cartridge.

In fact, the filtration of the water purifier, often only five levels:

1. Adsorption of color with front activated carbon;

2. Filtering sediment with PP cotton;

3. filtering insect eggs with finer PP cotton;

4. is the most critical RO membrane water purification;

5. Use the rear activated carbon to improve the taste.

Only RO membrane is the key cartridge, activated carbon and PP cotton exists mainly to extend the service life of RO membrane.

A few more cartridges, just a few more activated carbon and PP cotton only - almost zero use, but the price can be up to several times. Therefore, the water purifier cartridge, choose five-stage filtration is enough. There are also some cartridges, the activated carbon and PP cotton cartridge combined together to make a composite cartridge. The advantage of doing so is to reduce the size of the body, taking up less space. It does not affect the filtration effect, nor does it seem that the number of filter elements is less, the filtration effect becomes worse.

Myth 4

After filtering the water must be better than tap water?

I believe most people think so, but the truth is: it depends on the use. There are two main benefits of purified water:

-No limescale;

-Good taste.

So if you use an electric kettle to boil water, it's best to only use less purified water so that you don't contaminate the kettle. When drinking plain water, it is also purified water that tastes better and does not stick to your throat.

But there are times when purified water is not as good as tap water - because when the water purifier filters the water, it filters out the minerals in the water as well. Although the loss of minerals for the human body is harmless, but for some scenarios is not, such as: - porridge, and noodles, tap water can make the porridge more viscous, so that the pasta more elastic; - fish, watering flowers, tap water impurities instead of helping plants and animals grow, after all, water is the plants and animals are almost the only source of nutrients.

Myth 5

Many people feel that since the water purifier can be “tap water in, pure water out”, it does not matter how good or bad it is - anyway, all the filtering effect of the water purifier are the same.

But in fact, this idea is very wrong:

Although all water purifiers can filter tap water into TDS value ≤ 50mg / L of pure water, but some can be filtered into single digits, some filtered TDS value is still in the 10mg / L or even 30mg / L or more. This is because the RO membrane filtration efficiency is different:

Some cheap RO membrane filtration efficiency is only 92%, some are as high as 97%. The latter is not only better filtration effect, the service life is longer than the former.

So buy water purifier, must look at the RO membrane filtration efficiency. And the filtration efficiency is precisely the determining factor of the price of the water purifier.

I hope the above points to buy a water purifier misunderstanding to help you, I hope you can buy the right water purifier to drink healthy and safe water!