清塘时常因养殖品种的不同、多发疾病的不同及药物来源便利而使用不同类的清塘药物,如苗种池常使用通杀型的清塘剂,而虾蟹养殖塘中常使用选杀型的清塘药。现在常用的清塘剂有化学类、农药类及植物类。一、化学类化学类清塘剂常见的品种有生石灰、漂白粉等。上述药物清塘较彻底, Qing Tong often due to different breeding breeds, multiple diseases and different sources of drugs and the use of different sources of clear pond medicine, such as seed ponds often pass through kill type of Qing Tang agent, and shrimp and crab breeding ponds often use the kill type Qing Tong medicine. Qing Tong now commonly used in chemical classes, pesticides and plants. First, the chemical category Qing Tong common species of lime, bleach and so on. The above drugs clear pond more thoroughly,