If it's for fun, take a few dollars. If it is a collection, choose carefully. This involves the knowledge of purple sand masons. I'll teach you the easiest way for a layman to understand. First of all, don't use the hot colloid, that is, the one that changes color when heated. On the ground, don't put piles of garbage on the shelves for a few dollars to dozens of dollars. It's like a clay doll. For ordinary people, the price that can be raised manually is between 100 and 200. After all, these are really made of purple sand. Although there are some chemical pigments in it, after all, tea pets are not teapots, and of course there are more expensive ones. Tea pets and teapots are maintained the same. Among the six major teas, only black tea and green tea (oolong tea) and Pu 'er (raw and cooked) are the best, but you can only choose one. That is to say, after buying a tea pet, boiling it in water for a few hours (the longer the better) will help speed up the future maintenance of the gloss of the tea pet, and the principle of heat swelling and cold shrinkage. Then, pour the tea soup you have chosen, and it is best to soak it in the tea soup for an hour to let it be fully absorbed. Even if you can, you can directly pour out the washed tea or the remaining tea soup in the future. It must be the first time for a tea pet to pour.