[KongchangAI]
Unverified90% confidenceDecision RuleTime unknown

顽固水垢(钙镁沉积、白斑)需选择含草酸或有机酸+螯合剂配方的清洁剂,pH值在2-4之间才能有效溶解碳酸钙水垢;pH中性的日常玻璃水无法去除硬水垢

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