Testing coffee toning

I have done another toning test similar to the tea toning test I did before Christmas. I used the same concentration of washing soda for bleaching and the same type of watercolour paper (Arches satin hot pressed 300g).

The recipe is as follows:

Bleach bath: 1 teaspoon Sodium Carbonate (washing soda) for each liter hot water. I mixed up 3 liters.

Toning bath: 3 tablespoons instant coffee (Nescafe gold) for each liter hot water. Also 3 liters in total.

Cool down the bleach and toning bath to room temperature before starting the process. I have been precise when it come to the timing. Especially with the bleach bath. A few seconds longer or shorter time submerged in bleach will produce a noticeable difference in the result. I might consider using a lower concentration on the bleach. I think it should make it easier to get the best result. Golden in the highlights and purple in the shadows is what I try to achieve. Another important ting is the pre-soaking in water (1 minute) and thoroughly cleanse between bleach and toning.

The original:

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