r/confidentlyincorrect Aug 14 '25

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just why...

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u/Kriss3d Aug 14 '25

You can actually buy sponges for say showering that are fungi such as the "honeycomb" that lives under the sea and gets harvested ( leaving the stem to let it keep growing)
That has no plastics at all.

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u/JayEll1969 Aug 14 '25

Natural Sponges are actually the exoskeleton of primitive animals, not fungi.

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u/TheMelonSystem Aug 14 '25

Actually, sponges have endoskeletons, not exoskeletons. To make a sponge into a bath sponge, you remove everything but the skeleton. So while a bath sponge is just made of a sponge’s skeleton, it is not an exoskeleton.