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What's the matter with a layer of things on it after the water of the SR Meite water purifier is burned? In addition to understanding the nature and functions of various water purification products, the choice of water purification machines also needs to know clearly the water quality status of their own areas, onlyIn this way, the water purifier purchased can better meet the needs of their own drinking water.First of all, you should learn about various filtering techniques:1. micro-filtration: it is a simple filtration. it is filtered by using the pores on the surface of the membrane. the pore size of the micro-filter membrane is generally 0.5-1 micron, onlyIt can filter the visible impurities such as mud scale, rust and colloid, as well as the large bacterial mass. The water treated through the micro-filter membrane can only be clear on the senses.Can not be used as a qualified drinking water to drink, the market is more common is a pipe, two tubes, three tubes of filtration