absolute zero is just a theoretical point, like a singularity, it doesn't exist.
I don't want to argue with anyone. Soaking a card may improve its appearance but it will certainly change the ph level of the matter and increase its rate of degradation. That's why professional consevators add chemicals to their soaking solutions to stabilize the material, to prevent further and more rapid decay.
But why discuss this subject, it isn't about what you believe, it is about fact. Ask a professional if pencil/pen/marks can be erased without damaging the fibers. Ask if soaking a card is detrimental in the long run, (it is) Many times these marks can be removed without change to the naked eye. Under the proper the magnification and light, there will always be a trace.
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