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[BKARTS] Can acid-free tape bleech acidic paper?

Way cool drawings Scott!
I'd guess that it is a pH driven color change. This because of the speed of reaction (in darkness yet) and buffered nature of the tape adhesive. Think pink/blue hydrangeas.
Was that your very last bit of the blue paper?
Best, James

James Tapley
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Sarasota FL 34237

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