Unverified90% confidenceDecision RuleTime unknown
水垢/皂垢为主的浴室选含酸型清洁剂(柠檬酸、乳酸或稀盐酸),pH≤3才能有效溶解无机水垢;霉斑发黑为主则需含次氯酸钠的碱性除霉剂,两类原理相反不可混用
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Unverified水垢、皂垢、尿碱属碱性污垢,必须用含盐酸/柠檬酸/氨基磺酸的酸性清洁剂(pH<3)才能溶解;普通碱性/中性清洁剂对硬水垢基本无效90% similarUnverified水垢、马桶黄渍这类无机污渍碱性清洁剂无效,必须用酸性(柠檬酸/盐酸型洁厕灵),选错酸碱类型是清洁无效最常见原因86% similarUnverified顽固黄垢、尿碱结石需选含盐酸(浓度8%-10%)的强力型洁厕液,普通含表面活性剂+柠檬酸的温和型只能处理日常污渍无法溶解陈年水垢86% similarUnverified以柠檬酸/柠檬酸钠为主要成分的洁厕块对水垢和碱性尿垢除垢效果好且对材质温和,适合硬水地区;含表面活性剂+香精的偏重除臭留香而除垢弱,两者不能互相替代86% similarUnverified去除瓷砖水垢、皂垢应选pH<3的酸性清洁剂(含盐酸、氨基磺酸或有机酸),碱性洗涤剂对钙镁水垢基本无效86% similar
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