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That green stuff is the copper in the board traces - to accumulate like it does indicates the board the fiberglass epoxy stuff itself - got water in it and the copper corroded and leached out to form those fuzzies - you see this caves or mine shafts - so the amps own environment was conducive to for these deposits to form.

Not saying it's Mammoth caverns but it makes a close second...the process of reduction is at hand.

[QUOTE="Handy Andy, post: 638826, member: 52309"] That green stuff is the copper in the board traces - to accumulate like it does indicates the board the fiberglass epoxy stuff itself - got water in it and the copper corroded and leached out to form those fuzzies - you see this caves or mine shafts - so the amps own environment was conducive to for these deposits to form. Not saying it's Mammoth caverns but it makes a close second...the process of reduction is at hand. [/QUOTE]

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