Photographers' Formulary Toner for Black & White Prints - Copper/ Makes 2 Liters Middle Atlantic BR1 helping to darken skies and

helping to darken skies and other bright areas of the image

4cm (8 x 10") FB prints

Minimum/Maximum Temperature Memory

the SparkFun Benchtop Power Board Kit has your back

Photographers' Formulary Toner for Black & White Prints - Copper/ Makes 2 Liters Middle Atlantic BR1 helping to darken skies andThe Photographers Formulary Copper Toner contains copper sulfate, potassium ferricyanide, and potassium citrate which results in an image toned with copper metal. The toner produces a variety of colors ranging from warm brown through coppery hues to chalk red. The exact color obtained depends on the length of toning time. The process is rapid and progressive. It is possible to remove the print from the bath at any stage of its toning. Although fiber