Unverified85% confidenceFactTime unknown

水垢主要成分是碳酸钙，柠檬酸浓度在5%-10%即可有效溶解日常水垢，且对金属腐蚀性远低于盐酸，是家用去垢的安全性价比之选

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Unverified水垢主要成分是碳酸钙和碳酸镁，用弱酸即可溶解，日常水壶除垢首选柠檬酸（pH 2-3），无需盐酸类强酸产品82% similar Unverified水垢主要成分是碳酸钙，本质用酸中和即可；判断真伪除垢力看是否标注实际酸含量，而非只看'强力'宣传——柠檬酸浓度通常需≥40%才对厚垢有效81% similar

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