俗话说:“养鱼先养水”,良好的水质对水生经济动物的生存和生长是十分重要的。然而,近年来由于外界污染及养殖自身污染的影响,水质不断恶化,水生动物疾病频繁发生,水产品品质也不断下降,严重阻碍了水产养殖业的发展。因此,养殖水体的净化处理和重复利用已成为发展养殖业、扩大 As the saying goes: “Fish first raise water”, good water quality of aquatic animal survival and economic growth is very important. However, in recent years, due to the external pollution and the pollution of farming itself, the deteriorating water quality, the frequent occurrence of aquatic animal diseases and the declining quality of aquatic products have seriously hindered the development of aquaculture. Therefore, the purification of aquaculture water and reuse have become the development of aquaculture, expanding