abhishek@1985
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I would not recommend toning with tea or coffee. The image will have an overall stain without the intensification selenium offers. A few of the Foma papers would provide an overall brown tint if that's the effect you want.
Using prepared selenium toner is not toxic if handled properly.
The stains only affect the white areas of the print and don't change the blacks. Both strong coffee and tea produce a yellowing of the paper instead of brown shades. Dark red wine stains it pinkish.
I've done staining with coffee and tea and food coloring in my classes that I teach to kids. It works well only on fiber papers, you can soak a rc print for a day and a night and only the edges get stained. The stains only affect the white areas of the print and don't change the blacks. Both strong coffee and tea produce a yellowing of the paper instead of brown shades. Dark red wine stains it pinkish. Prints do smell really good afterwards when they dry.
I think that is the key difference between tea/coffee and real toner: real toners convert the silver into something with a color hue, whereas tea/coffee act on the white background mostly. Most real toners (except selenium and in some instances blue toner) will make the print lighter and reveal extra shadow detail, whereas tea/coffee will make it darker and cover up highlight detail.
If you can use it effectively, you will get beautiful prints with standard non-toxic household stuff, but you can not simply substitute sulfur toner for tea/coffee and expect similar results.
I've done staining with coffee and tea and food coloring in my classes that I teach to kids. It works well only on fiber papers, you can soak a rc print for a day and a night and only the edges get stained.
Obviously nobody ever told that to my RC prints which I stained with coffee as they toned without a care in the world.
Steve.
I've seen nice examples from toning with red onions (the strong ones). The onions were chopped up and boiled for quite some time. The red water residu was then used for toning.
Just experiment and have fun!
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