I am not saying you cannot use or that it is going to be a notable problem to use alcohol, what I am saying is doing so leaves behind a film whereas using the alternative does not, it isn't enough to matter to most but I am so very picky about some things I just wished to make this known for those that were not aware.I cannot recall where this information came from (too LONG ago) to provide a link but I feel it was then and is now true and using the highest % of pure alcohol is ideal, so 99% should be a good choice as well. Considering it is on a microscopic level we're talking I doubt it matters enough to worry though in the end so use whatever ya got....
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I think using any of the alcohol solutions will leave much less contaminant behind compared to scraping off the paste making it the preferred method. I had never heard of scraping the paste off before this thread.
