生石灰是一种碱性物质,遇水后发生化学反应,放出大量热量,并使池水的pH值迅速提高到11以上,从而在养鱼生产中有着极为广泛的用途。 1.清塘消毒 分干法清塘和带水清塘两种。干法清塘一般每667平方米用生石灰50～75千克,带水清塘则每667立方米为125～150千克,能有效地杀死鱼塘中的野杂鱼、敌害生物、鱼 Quicklime is an alkaline substance that chemically reacts with water to release a large amount of heat and rapidly raise the pH of the water to above 11, making it extremely versatile for fish production. 1. Qing Tong disinfection and dry clear ponds with clear water pond two. Dry clear ponds typically use 50 to 75 kg of quicklime per 667 square meters, and 125 to 150 kg per 667 cubic meters for clear ponds, effectively killing wild trash fish, predators, fish and fish in fish ponds