Unverified75% confidenceDecision RuleTime unknown
性价比测算按'每次用量成本'而非总价:浴盐类日常泡按300-500g/次算,大包装(1-2kg)散装盐远优于精美小罐;浴弹单颗一次性用,日常泡不划算
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75%
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Long-term
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Unverified性价比核算应看'每次成本'而非总克数:标称500g的浴盐若单次需300g,实际只够泡不到2次,购买前用'总克数÷单次推荐用量'计算实际次数89% similarUnverified散装浴盐/大袋镁盐性价比远高于单次包装泡澡球和小瓶精油浴液,1kg硫酸镁可用2-3次;但散装无香型无便捷性,追求仪式感和一次性使用便捷选独立包装84% similarUnverified每次建议用量较大(通常需要数百克才能达到理想浓度),单价偏高导致长期使用成本明显高于普通浴盐品牌81% similarUnverified低钠盐的零售价通常为同品牌普通食盐的1.5至2倍左右,但因每日用量很小(推荐每人每天不超过5g),实际月度支出增加有限80% similarUnverified低钠盐价格通常比同品牌普通食盐贵30-100%,但因食盐本身单价低、日用量小,实际每月多出的花费很有限,不必因价差犹豫79% similar
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