BERGGER Selenium Toner is a selenium toning solution, which can be used either direct after washing, or indirectly after a bleaching step.
BERGGER Selenium Toner allows to enhance blacks, and/or to change the tonality.
Its effect is stronger with warmtone papers.
BERGGER Selenium Toner can be used diluted 1+19 in order to have deeper blacks, and to protect the print against aging.
To get a change in tonality, a higher concentration is required : between 1+4 and 1+9, depending on the required strength of the tonality shift.