The biggest difference between various water purifiers with different performance is the difference in filtering accuracy. In principle, most of them are interceptive filters with physical properties, and will not make other changes to the properties of water. Antibiotics in water are soluble pollutants in water because they are dissolved in water. For domestic drinking water, they can only be cleaned by reverse osmosis technology. In the current water purification market, there are a variety of products and a mixture of good and bad. In the face of boastful business personnel, most ordinary consumers are unable to make reliable choices. The best way is to consult a professional third party who has no interest relationship.