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.
1932
1933
2013
2005
1982
1963
1964
1969
1950
1955
1960
2008
2023
1956
1994