Darkroom Projects

Film Soup of the day: Shampoo and Baking Powder

I really like experiments so it was only a matter of time until I started cooking my own film soups. This is my very first attempt to destroy film:  I washed Fuji Provia 120 with shampoo and baking powder. Medium format film is a bit tricky because of the paper and the size, but apparantly I was up for a competition.

Recipe for film soup with shampoo and baking powder:

  1. Expose the film in a camera of your choice. I used my Holga 120.
  2. In the darkroom: Prepare shampoo and the baking powder. Remember that you need to find all ingredients for your yummy soup in complete darkness.
  3. Separat the film from the paper, throw the paper away. Place the film in the bathtub, if you have one. It’s going to get messy.
  4. Now comes the fun part: Rub the film with shampoo and water, sprinkle baking powder all over the film. Let sit for a minute, then rinse with water.
  5. Now comes the tricky part: Load the film into your spool. It’s rather difficult because the film is wet and slippery, but it works!
  6. Clean your bathtub (mine was purple. Very purple). Develop film as usual.

Here are the results of my film soup. The effect is not very obvious but I like it.

Camera: Holga GFN
Film: Fuji Provia, X-Pro


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