Quote:
Originally Posted by Martin Aislabie
I keep my Dev in clear plastic 500ml PET Plastic Bottles.
My darkroom isn't dark - as it also doubles as the Utility Room too
So I asked the question on APUG about the effects of light on Developer
The Photographic Chemists on APUG said it was UV Radiation that did the damage to Developer.
UV is absorbed by regular window glass.
So unless you store your Developer outside in direct sunlight, somewhere sunny like Arizona, there is not much added protection in dark glass bottles.
Martin
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I agree that UV is one component effecting Developer and that some UV is absorbed by glass, but not all, unless it is either very thick or special UV absorbing glass.
Certain of the so called alternative processes are dependent on UV for development, and they are developed behind glass.