In 2012 I started testing a new hydrogen peroxide based bleach with an acid as a stabilizer, citric acid was the first choice, and these were my first positive results with Fomapan R100 on 16mm film.
1895
2015
1933
1959
1979
2020
1976
2014
2017
2022
1953
2023
2019
1968
1896