Digital BW, The Print

The glycol may have been good with paper, as an anti curl..... kept the moisture & flexibility
> That was probably a good thing to do when used with film.  I've suspected the "scum" that some report with Photo Flo in film is from the propylene glycol.  

> 

> In the ink setting, however, glycol turns out to be a good co-solvent.  Note among other things that Epson cleaning solution is about 45% glycol.  It's also said to aid in paper penetration.



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