Anyone test to see if there was uv brightners in the dye used to tint wool products from KOM, Sleeping Indian, or Grey Wolf?
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I put my grey SI wool shirt under a black flouresent light and it did not glow, but I understand this is not a true uv light.
Try a uv lite used to find leaks in auto ac systems.
My SI is 15 years old now, and I never had a critter act like it saw me unless I moved. I sure don't thinkit glows.