Digital BW, The Print

John,

> Surface tension also plays a roll. Straight distilled water 
> has the most surface tension. Adding alcohol reduces 
> surface tension, as does a surfactant such as photo flow.

Yes. Be sure to read my post in light of my previous post that gave the
formula and limits to dilution.  I was diluting with about 60% of my mix (3
parts glycerol to 4 parts water) and 40% UC ink.  At that dilution the UC
ink appeared to have enough of all the other "stuff" to work fine.  The
Photo Flo (which does have a bit of alcohol in it) in minute amounts might
be a good wetting agent, but it did not change the performance of the inks
with the dilutions I was using, as far as I could tell in my experiments.
So, I just dropped it.  When I tried to determine the amount of Photo Flo
that would be appropriate (which would take some digging through my files),
I recall that is was a very small amount.

Paul
www.PaulRoark.com