池塘除野消毒是提高水产品养殖成活率及其产量的重要措施之一。尤其在鱼、虾、蟹的混养池塘内，要达到清除野杂鱼而保护虾、蟹存活的要求。以往广大渔民常用五氯酚钠、鱼滕酮及茶粕等药物清塘，但前一种残留量大，政府已禁用，后二种含量不纯，常致虾、蟹残肢、致死或用量过大 Removal of pond disinfection is one of the important measures to improve the survival rate of aquaculture and its production. Especially in fish, shrimp, crab polyculture ponds, to achieve the removal of wild trash and protection of shrimp, crab survival requirements. In the past, the majority of fishermen often used sodium pentachlorophenol, fishpondone and tea meal and other drugs clear pond, but the former a large residue, the government has disabled, the latter two kinds of impure, often caused by shrimp, crab stump, lethal or dosage is too big