U of S | Mailing List Archive | alt-photo-process-l | Re: Hardening With Glyoxal: One Shot?

Re: Hardening With Glyoxal: One Shot?

Michael Koch-Schulte wrote:
I'm mixing small batches (100 ml) of 3 per cent Knox with 2.5 mls of Glyoxal
(oh, and a splash of rye whiskey for bubbles) for sizing paper with a sponge
brush. Can I reuse this mixture by simply reheating in the microwave after
it cools and gels overnight? Is there a shelf life? Thx.


RNP Arrays: An Open Source Digital Negative Project

In my experience the gelatin loses its 'vital essence' after a couple of heatings and doesn't work the same anymore :(