Unverified70% confidenceDecision RuleTime unknown
计算性价比应按『每次成本』而非单价:以浴缸有效浓度需300-500g计算,1kg装大约只够2-3次;宣称『可用20次』的小包装往往每次用量不足,功效打折
1
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70%
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Long-term
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Unverified每次泡浴建议用量较大(通常推荐250g-500g/次),大包装虽单价低但消耗速度快,购买时需按使用频率计算实际成本84% similarUnverified约1.36kg的包装按官方建议用量(每次约2杯)大约可用5-7次全身浴,如果日常高频使用需考虑囤货或购买更大规格83% similarUnverified单次用量与包重需匹配:标准浴缸(150-200L水)建议投放30-50g干草本,低于20g有效浓度不足,购买时用总克重除以标注次数验证单次用量是否达标83% similarUnverified浓缩型洁厕剂标注用量为每次10-30ml,普通稀释型需50ml以上,选购时按每瓶容量÷单次用量估算使用次数,浓缩型单次成本更低且储存占地小83% similarUnverified含量规格换算:浴盐单次用量200-300g,一瓶1kg装约用3-4次;浴弹通常1颗/次。按'每次成本'而非'瓶价'比价才准确,大包装浴盐单次成本通常远低于浴弹83% similar
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