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nifty-stuff.com et al, Thanks for the welcome message and what an excellent question that is. I am not an expert in archival science but I will try to convey what this means for those who want to learn. Here is my stab at it: Sources: Ozone (O3), a molecular form of regular Oxygen (O2) is in...

I exposed some prints to very high Ozone levels made from both Epson Glossy Photo Paper, and Kodak Ultima Picture Paper with COLORLAST tehnology using Canon BCI-6 and I have attached the results as you can see in the image below. In terms of initial image quality, the Epson is less "grainy"...

Grandad35, The jar is small, about 1 liter but there would be no problem with using a larger container, it would just take a little longer to ramp up to the same ozone level. I could probably accomodate a 12" x 12" sheet. Strips from other sheets could be pasted onto one for relative...

I thought I would share my extreme ozone fade test results. They are only for comparative testing and give no absolute estimate of the life of prints. It was a quick and dirty experiment so keep that in mind and don't take the results too seriously. Left Ozone Exposed 30 min...