Unverified92% confidenceDecision RuleTime unknown
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
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92%
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Unverified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91% similarUnverified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90% similarUnverified水垢、皂垢等碱性污渍需用酸性清洁剂(含盐酸/柠檬酸/氨基磺酸),成分表pH<3时除水垢力最强,适合硬水地区的花洒、玻璃隔断、水龙头88% 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87% similar
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