Ferrous sulfate 26gr
Glacial acetic acid 29ml
Sucrose (white sugar) 51gr
Bottle PET amber color 1Lt 1 Instructions
Download Material Safety Data Sheet from the dedicated section on the website.
Dissolve the ferrous sulfate in 900ml of demineralized water. Add the acetic acid and the sucrose while stirring to help dissolve and combine. Add water to make a total of 1liter and store it into the labeled bottle.
Negative developer Ferrous Sulphate-for a warm climate-Kit25