Quote Originally Posted by Cygnus View Post
That would be a good experiment, though it is my understanding that the weathered tartans are supposed to replicate the passage of time and the effect of the elements on older, vegetable-dyed tartan. I have a sneaking suspicion that modern tartan with its synthetic dyes would react differently in these adverse conditions.
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I keep hoping Peter will weigh in on this, his breakdown of how the various red dyes fade (to cite just one example) is very informative.

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