The water filtered by a municipal water plant can of course satisfy the basic needs of the general public. But think about the entire water flow process: water sources have passed thousands of new and old, new and old pipelines, and eventually settled on the huge water tanks at the top of our buildings. The exterior is rusted and rusty, and the internal walls are covered with moss. It is difficult to predict how many bacteria and harmful trace elements will float in this seemingly clean water. If you have witnessed the students inside the tank, you can still drink water with ease, then continue the current situation.
Water treatment, buy or not buy?
For most people, the most straightforward way to judge is - you drink the boiling water from your home's tap water, and whether that jerky taste can endure. Students who are not clear about their water status can use a simple method to judge: Put a bowl of water overnight to see if there is a clear sediment; the more sediment there is, the worse the water quality is. Judgment of chlorine, heavy metals, harmful substances and other substances is relatively deep, and we will not start yet.
Water treatment equipment, in the end according to what election?
There are so many products for water treatment, central water purification, central soft water, drinking straight at the end, and pre-filtering. Which of these must be used, ah, Shui Li, 3M, Pentair?
Water treatment is relatively complicated for those who are new to the initial contact. There are not a few students with similar questions. Here we will give you a simple explanation. Although there are many kinds of water treatment equipment, how to choose it depends on the demand.
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1. The faucet unscrews the water that can drink
Option 1: Terminal water purifier
Glossary: ​​The terminal water purifier is installed in the water outlet terminal, that is, in front of the faucet, and independently solves the quality of water discharged from a faucet (this faucet is often the kitchen sink), and the water can be directly consumed.
Comments: Those who can't stand the tap water, but are too lazy to buy water every day! The terminal water purifier is specialized in drinking and cooking water. It can accurately filter harmful substances (some heavy metals and organics that are harmful to health). The treated water can be directly consumed and has a good taste. It can be used as bottled water and bottled water. Water's alternative upgrades. It is the most basic configuration requirement in water treatment. It is suitable for all people who have requirements for drinking water. The selection of terminal water purification products can meet the needs of healthy drinking water. The cost of a separate water purifier is relatively low, and installation is also convenient. It is most suitable for long-term tenants, single white-collar workers, and newly established small families.
Installation requirements: Can be installed after new decoration or renovation, no power outlet
Price range: 800-3000 yuan
Maintenance cost: The filter element should be replaced every 1 year. The imported filter element is generally around 1,000 yuan, and the ordinary filter element is 400-500 yuan, which is slightly different according to the brand and model.
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Option 2: pre-filter + terminal water purifier (most popular with young families)
Explanation of term: After the prefilter is installed at the total water inlet or the total water meter, its function is mainly to filter the solid impurities in the water such as sand rust to fully protect all household water equipment.
Terminal water purifiers filter out harmful substances (some heavy metals and organics that are detrimental to health) with precision. The treated water can be directly consumed and has a good taste. It can be used as an alternative upgrade to bottled water and bottled water.
Comments: This match is more classic, the front to solve the solid water pollution, can protect the family water equipment, extend the service life of pipelines and water equipment; the terminal solves the problem of drinking water. And the use of a water purifier and pre-filter can increase the service life of the water purifier filter. A single water purifier may need to be replaced with a new filter for 1 year. After using the front filter, it may take only 16 months to change. Front and rear, one after the other, complement each other. (Especially with solar water heaters, configuring the pre-filter can effectively reduce the fouling of the inner wall of the pipeline and extend the life of the solar water heater.) Most young families will use this combination, which is cost-effective!
Installation requirements: New decoration or renovation can be installed. The installation of the pre-filter requires space, both with power requirements and no power requirements. It is recommended to consult service personnel before installation.
Price range: 2500-3500 yuan (front + terminal)
Maintenance cost: Most of the pre-filters are one-time investment, the price is between 1500-2500, no other cost; the terminal equipment needs to replace the filter element every one year, the imported filter element is generally about 1,000 yuan, and the ordinary filter element is 400-500 yuan, according to The brand and model are slightly different.
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2. All the water in the home is clean and comfortable, and the scale goes without a trace
Option 1: Central water purifier + terminal water purifier
Glossary: ​​The central water purifier is actually a high-end upgrade of the pre-filter, which is also installed behind the water meter. It can not only filter solid particles in water, but also dissolve toxic and harmful substances in water, ensure the comfort and safety of water for family members, and extend the service life of water equipment. The central water purifier's treatment volume is generally relatively large, but it is still not up to the standard of direct drinking water. So generally with a terminal water purifier.
Comments: The central water purifier can comprehensively improve all household water use. Due to the large amount of water, it can be used in multiple rooms such as kitchens, bathrooms, living rooms, and laundry rooms. With the use of a central water purifier, it can be said that all of your home's water quality has been improved by a large section. The water quality of the central water purifier is good, but care must be taken not to drink it. Therefore, it is also recommended that a terminal water purifier be equipped to solve the drinking water problem.
Installation requirements: Consider before installing the new drainage pipe so as to reserve the installation space, floor drain, and power supply. It is recommended to consult service personnel before installation.
Price range: 5000-8000 yuan (central + terminal)
Maintenance cost: The input cost of the central water purifier in the early stage is about RMB 5,000-8,000. Every two years or so, the filter material needs to be replaced, which is about 1000-2000 yuan. The terminal equipment needs to replace the filter element every year or so. The imported filter element is generally about 1,000 yuan, and the ordinary filter element is 400-600 yuan, which is slightly different according to the brand and model.
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Option 2: pre-filter + terminal water purifier + softener
Glossary: ​​Prefilter is named after water inlet or water meter. Its function is to filter solid impurities such as sediment rust. The water softener can effectively absorb calcium and magnesium ions in the water to make the water soften and have the effect of health care and beauty. It can also make the clothes bright and supple, and the bathing equipment can reduce the scale and prolong the service life. Terminal water purifiers solve the problem of direct drinking water.
Comments: Bathroom often sees glass shower room or glass door will leave scale, washing clothes and equipment often have macular, which is hard water (so-called "hard water" refers to the water contains many minerals, Especially the consequences of calcium and magnesium. The main component of scale is calcium carbonate or magnesium carbonate. Preposition can solve the problem of solid particle impurities in water, but to solve the problem of “hard waterâ€, it is necessary to use water softeners. Softeners generally have a life span of 20-30 years and are favored by foreigners. But at the same time, because the price is relatively expensive, everyone can act according to their strength and demand.
Installation requirements: Consider before installing the new drainage pipe so as to reserve the installation space, floor drain, and power supply. It is recommended to consult service personnel before installation.
Price range: 6000-20000 yuan (front + terminal water purifier + water softener)
Maintenance cost: The input cost of the softener in the early stage is about 5000-15000 RMB. Theoretically, the normal normal service life for replacing the resin is about 15 to 20 years, depending on the brand and model. If it is necessary to replace the resin due to human factors or improper use, the cost of the resin is about 50-200 yuan/liter. The use cost of the softener is relatively low. Generally, it is sufficient to add salt once a month. Special salt for soft water machine 80--- 150 yuan/bag (20 kg each, Shanghai water quality can be used for 3 months).
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