Then allow the photosensitive material to dry. However, do not use brushes or other items with metal parts, these can adversely affect the process. You can do this with a sponge, cloth, brush, whatever you want. Apply this new solution to the paper or fabric to be photosensitive. Mix an equal volume of both solutions, for example 10 ml of both. Blinds or curtains are closed and every kitchen, every classroom and certainly every darkroom is suitable. The sensitization should be done in a place with low ultraviolet light, indoors in a not too sunny area is usually fine. Solution II can start to mold, that’s not a disaster, but remove the mold before use. No jars with metal lids: iron, tin and steel can have a negative effect on the solutions. Store both solutions separately in dark glass or PET bottles. Prepare the solutions in a beaker or measuring cup and transfer to bottles for storage. When making textiles photosensitive, a higher concentration is recommended. The above recipes are not very precise, it is no problem if a little more or less is solved, feel free to experiment with this. The salts to be dissolved can be ordered from De Hekserij. Ordinary fresh tap water can be used as water, or, if possible, demineralized water from the supermarket or drug store.
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