Cyanotype, please tell me when your done?
Hello all, I've printed some cyanotypes, and developed them in a tray of water for 15 to 20 minutes. I do not change the water, I just agitate the tray or move the print face down in the water. I let them dry for a complete day. I measure the DMAX results with a densitometer on day 1 of completion, fine. After a few more days that same exact DMAX has increased? I suspect with oxidation? Also the weather here in Australia is wet and humid, so the prints even after a day have not been fully bone dry. What do you do when developing prints? How long do you wait to fully see that your print has reached a dark dmax? Happy printing... Jacek
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