Unverified80% confidenceDecision RuleTime unknown
硅藻土只需薄薄一层（能看见地板颜色即可）才有效，厚撒虫子会绕行反而无效，且大幅增加扬尘——'薄如面粉一层'是正确用量
1
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80%
Confidence
Long-term
Relevance
-
First Seen
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Unverified物理除虫粉（硅藻土）越细腻致死效率越高，但飞扬性也越强；缝隙灌注选细粉，开阔地面防扬尘可选造粒型或搭配挤压瓶精准点施77% similarUnverified带鲜艳彩绘或整体上色的硅藻土摆件涂层会封闭表面毛孔，几乎丧失吸湿功能，若追求除湿效果不要买满色款76% similarUnverified吸湿类硅藻土摆件失效后需晾晒/低温烘干再生，一般可再生50-100次；纯度越高、密度越低的产品再生次数越多，颜色变深说明已吸饱需再生72% similarUnverified硅藻土纯度≥60%的摆件吸湿速率明显更高，纯度低于40%多为普通黏土掺硅藻土，吸湿功能形同虚设，购买时可看密度指标：真硅藻土密度低（0.5-0.9g/cm³）拿在手上明显轻72% similarUnverified带有活性炭复合层的硅藻土摆件吸味（异味/甲醛）能力优于纯硅藻土，但吸湿再生次数会因活性炭失效而降低71% similar
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