Hey, weren't some of you hair-shirt types complaining about new windows and
how awful they are?

My landlord (in part, Stanley Zabar) put new double-pane windows in my office
on 80th & Broadway (3rd floor, right above H&H Bagels - y'all stop by now!)
eight years ago.  Now there are peculiar white foamy marks on the inside face
of the outer pane, sort of like condensate-evap leaving behing salty residue.

Any clue as to what this might be? (Mint Julep residue?) I miss the rattle
the old wooden ones made in their tracks.

Signed,  Double Hung