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A comment on Nontoxic powder uses sunlight to quickly disinfect contaminated drinking water. Parent comment

Re:Nontoxic powder uses sunlight to quickly disinfect contam... by dspillett on Saturday May 20, 2023 @04:58AM (#36010380)
No, that is why it might still there to remove with a coffee filter, after removing the powder magnetically, I assume.
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