鱼用西药颇多，一般常见的种类有以下几种：１氧化钙（子灰、块灰、生石灰）１．１ 性质 灰白色块状。露在空中易吸水放出热量变成粉状熟石灰。生石灰遇水变成氢氧化钙，当养鱼池中二氧化碳含量很多时，就吸收二氧化碳变成碳酸钙沉淀，反之，当二氧化碳缺乏时，又可以放出二氧 Fish with a lot of Western medicine, the common types are the following: 1 calcium oxide (ashes, ashes, quicklime) 1.1 nature of the gray block. Dew in the air easily absorb water release heat into powdered hydrated lime. Quicklime into water with calcium hydroxide, when the fish ponds in a lot of carbon dioxide, the absorption of carbon dioxide into calcium carbonate precipitation, on the contrary, when the lack of carbon dioxide, but also release the oxygen