Developing Procedure
1) Take the print inside and separate the frame.
| Your Cyanotype will look like the picture here. Develop face down in running water for 10-15 minutes (possibly longer if cloth). Wash until COMPLETELY clear of "running" colors. |
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2) Soak print in a solution of 20 ml H2O2 (3%) and 250 ml of distilled H20 to increase the contrast and bring out the deep blues. You can use more or less H2O2 depending on how fast you want to deepen the color.
3) Hang up or place on plastic screen. The blue color will darken slightly with drying.