Metals and octo

dolfinnk

Hatchling
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Mar 10, 2020
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I know copper is bad for octos, and I remember reading that some other metals are bad too - does anyone have resources on this? I remember thinking stainless steel is the only metal that is safe since it won't rust - is this true? Is ANY rust of any metal going to be harmful or toxic to octopus?

Thanks!!
 

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