Superseded85% confidenceDecision RuleTime unknown
洗碗机多合一块（All-in-1/12合1）已含盐效和亮碟成分，但硬水地区（钙镁离子高）仍需单独添加软化盐，否则内胆和餐具会有白色水垢
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Long-term
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This knowledge claim has been superseded by newer content
洗碗机专用盐必须使用粗颗粒再生盐（氯化钠纯度≥99.5%），禁止用食用盐替代——食盐含抗结块剂和碘，会堵塞软化树脂并损坏离子交换器Sources
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