2 ms·Just ensure that your specific cast iron or stainless steel does not contain any heavy metals.by Ekaros 2y agoJust ensure that your specific cast iron or stainless steel does not contain any heavy metals.OutOfHere 2y agoDo you have evidence to suggest they do contain heavy metals?Ekaros 2y agoSeems like some brands do have potential issues: https://www.consumer.org.hk/en/press-release/p-541-cast-iron-cooking-pots https://www.consumer.org.hk/en/press-release/p-541-cast-iron...