Unverified88% confidenceDecision RuleTime unknown
顽固黄渍水垢应选含盐酸(HCl)成分的强力型洁厕液，浓度约9%-10%，对钙镁水垢溶解力最强；日常清洁选含表面活性剂+柠檬酸的温和型即可
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Unverified顽固黄渍尿碱水垢需选含盐酸(HCl)≥9%的强酸型洁厕灵，柠檬酸/次氯酸钠类对陈年水垢基本无效89% similarUnverified顽固黄渍尿垢首选盐酸型（含量8%-10%）洁厕剂，除垢力最强但腐蚀性高；日常清洁选表面活性剂+柠檬酸复配型更温和87% similarUnverified顽固黄渍/尿碱水垢需选含盐酸(HCl)或氨基磺酸的酸性洁厕剂，pH＜2溶解碳酸钙水垢效果最强；日常维护用含次氯酸钠的含氯型即可，二者不可混用会释放氯气87% similarUnverified有效成分含盐酸(HCl)的洁厕灵溶解水垢和尿垢最强，适合黄垢/水锈严重的老马桶；但会释放刺激性气体，使用时必须开窗通风且绝不可与含氯漂白剂（84消毒液）混用86% similarUnverified含盐酸（HCl）浓度9%以上的洁厕灵溶解顽固尿碱和水垢最快，但会缓慢腐蚀釉面和金属配件，只适合月度深度清洁而非日常使用85% similar
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