Diatomaceous Earth has to come in contact with pests for it to actually work. DE is a general pesticide, meaning it can kill healthy pollinators and other beneficial insects if used haphazardly.
Diatomaceous earth dehydrates and kills spiders—it's a safe, affordable alternative to chemical sprays. Lightly dust entry points, basements, and attics; reapply weekly with safety gear. You can also ...
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