First, it is inappropriate to salt, soy sauce, vinegar, vegetable soup, etc. for a long time, because these foods contain a lot of electrolytes, if long-term bloom, stainless steel will electrochemical reaction with these electrolytes, so that toxic metal elements are dissolved out.
Second, do not use stainless steel pot boiling Chinese medicine, because Chinese medicine contains a variety of alkaloids, organic acids and other ingredients, especially under heating conditions, it is difficult to avoid chemical reactions with it.
Third, do not use strong alkaline or strong oxidizing chemicals such as soda, bleach, sodium hypochlorite and other washing. Because these substances are all strong electrolytes, they also react electrochemically with stainless steel.