[alt-photo] Re: ziatype

Loris Medici mail at loris.medici.name
Wed May 2 10:25:05 GMT 2012

Yep, 10 mmHg is what I always use too...

BTW, Christina, Eric adds a little less than 1 drop of glycerin per ml
of sensitizer if my math is correct...


2012/5/2 Mark Nelson <ender100 at aol.com>:
> Thanks Eric,
> I agree about vacuum. I use 5-10 lbs at the most.
> On May 1, 2012, at 6:16 PM, "EJ Photo" <ejnphoto at sbcglobal.net> wrote:
>> In my work with glycerine as an additive to coating solutions, you'd need to
>> add a lot to get it sticky to a point of grabbing a neg. I'd expect a
>> problem more often with too high a pressure in general. Just because a
>> vacuum can draw 30 or 35 psi, does that mean you should always use it?
>> I would add about 3 drops or so for an 11x14. I will need to go back and see
>> if that was tracked.

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