硫酸铜是鱼池中常用杀灭鱼类寄生虫及藻类药剂;生石灰在鱼塘中施用,能杀死鱼类病虫害,改良水质,并可直接起到施肥作用。这两种药物都是高产精养鱼塘中不可缺少的,但是如果使用方法不当,就容易引起鱼苗死亡、引起泛塘。现笔者将使用这两种药物须注意事项介绍如下:(一)使用生石灰应注意:(1)生石灰必须是没有水化结块的石灰,使用 Copper sulfate is commonly used in fish ponds to kill fish parasites and algae agents; quicklime applied in fish ponds can kill fish pests and diseases, improve water quality, and can play a direct role in fertilization. Both of these drugs are indispensable in high-yielding and intensive fish ponds, but if used improperly, they can easily cause fry deaths and pan-ponds. Now I will use these two drugs should be noted that the following is introduced: (A) the use of quicklime should be noted: (1) Quicklime must be no hydration caking lime, use