[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

针对已发霉发黑的美缝/瓷缝,需选择含次氯酸钠(NaClO)有效氯浓度≥5%的除霉凝胶,才能真正分解霉菌黑根;有效氯<3%的产品只能表面漂白,1-2周后黑斑复发

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85%
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Long-term
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