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Ludwigofthepotatoppl t1_iqvmrb6 wrote

The science is still being done on that, but from some basic googling it seems like a minor issue—as seaweed doesn’t really eat, any microplastics found are on the surface, and can be easily rinsed away. HOWEVER: fertilizers, pesticides, microbes, heavy metals, and industrial contaminants could still present an issue.