For years, I used chrome in my natural dyeing baths--it gave such sharp colors
to some plants--it was only necessary to use a very small amount.
But, after much research, I safely discarded my chrome products.
Iron--well, why not use an old iron pot or skillet while dyeing? That's what
I use now--no need to have the mordant on hand
Copper--I used a old copper pipe--
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