渗漏塘危害有多方面：1．饵肥系数高，水电费用大，养殖成本提高20％以上。2池鱼生长缓慢，鱼病多，死亡率高。3．经济效益降低30％。克服池塘渗漏可采取以下方法。一、塑料薄膜防海法。用0．008毫米厚农用薄膜平铺地底和地埂，在衔接处两块农膜压叠35厘米，再遍铺20厘米厚泥土 There are many hazards to seepage ponds: 1. Bait fertilizer coefficient, water and electricity costs, breeding costs increased by 20%. 2 fish grow slowly, more fish disease, high mortality. 3. Economic benefits reduced by 30%. To overcome the pond leakage can take the following method. First, the anti-Haifa plastic film. With 0.008 mm thick agricultural film tiled floor and floor, at the junction of two plastic film stacked 35 cm, and then shop 20 cm thick soil