> I waited  3 days to two weeks after printing before mounting.  I use Epson
> Premium Glossy paper (is that "swellable"?), Epson ink.  (I never had
> significant problems with scratching using Epson inks, only with
> MediaStreet
> ink.)  I always frame immediately after cleaning the glass with Glass Plus
> or Windex.  I don't let the heat press touch the photo when drying (4 min.
> at 190 deg.) so there is room for moisture to escape.  I do that step with
> dry mount under the photo.  After drying I then immediately press.  I use
> acid-free dry mount, also press for 4 min. at 190 deg.  (longer and hotter
> than manufacturer-reccommended, but it just did not adhere with less.  I
> still get occasional bubbling months later.)

> The pattern of fogging on the glass suggests it isn't just fumes from the
> photo coming off: They would be relatively uniform in the space between
> the
> photo and the glass (created by 4-ply mat), and certainly not in the
> bizarre
> patterns I saw (vertical fuzzy bars about every inch and "brain surface"
> pattern, with "sulci" a few millimeters apart).  I suspect now that, even
> though I let the cleaner dry "completely," any invisible residue could
> have
> dried by contracting to a pattern, like crystals.  At that point, the
> fogging could be either from the cleaner alone, or from the photo.  If the
> latter, it deposits preferentially on the surface where there is cleaner
> residue.  So maybe everyone was right.  My training is as a scientist, so
> maybe I'll do a controlled experiment (e.g., clean only half the glass
> just
> before framing, use fresh vs. aged photos, etc.)

> --
> - Alan Justice

> "Alan Justice" <s...@spamspamspam.spam> wrote in message
> news:pmhOg.7567$v%4.1572@newsread1.news.pas.earthlink.net...
>> Twice now (out of many dozens of pictures framed) I've seen a cloudy
> deposit
>> on the inside of the glass over the photo (not over rag mat).  It's in a
>> regular pattern (one was vertical fuzzy stripes, the other like the
> pattern
>> of a brain).  My best guess is it's something in the ink.  Cleans off
> fine.

>> Epson 2200, Epson ink.  I let them dry a few days, then dry 4 minutes
> under
>> a heat press (not touching) before mounting with dry mount.  I clean the
>> glass meticulously with Glass Plus, and use a paper backing on the frame.
>> I'm in a wet area (N. California coast), but it isn't moisture, as it
> stays
>> in that same pattern for weeks.  No direct sunlight.  Any guesses?

>> --
>> - Alan Justice