Questions about soaking cards and removing stains

[bnorth]

Originally Posted by steve B

I wouldn't use anything but water.

The info is probably out there, but the long term effects of most other things aren't commonly known.
Professional conservators use a variety of things specially made for that sort of work, but if you can't afford a homemade formula the professional stuff isn't in your future.

Vinegar is an acid, and with already acidic cardboard I'd expect it to make any degradation worse, especially over time.

Yes but by then it will already be in a PSA holder and someone elses problem.

Snowman got anymore great card doctoring tips for us. On the 1000s of cards you have doctored what is your average grade bump?