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A comment on Scientist says cleaning indoor air could make us healthier and smarter. Parent comment

Re:Scientist says cleaning indoor air could make us healthie... by andreyf on Sunday August 08, 2021 @11:43PM (#28112552)
and if you don't want to spend $250, the DIY version seems pretty easy, too: https://www.greenhousetoday.com/growing-spirulina/
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