Fotospeed BT20 Blue Toner is specifically designed to tone FB and RC black and white papers. The liquid toner comes in 3 concentrate parts that are diluted with water. The depth of blue varies by the length of time the paper is left in the toner.
| Chemical Type | Toners |
|---|---|
| Liquid/Powder | Liquid |
| msds | BT20 Blue Toner Part 1 |
|---|---|
| msds | BT20 Blue Toner Part 2 |
| msds | BT20 Blue Toner Part 3 |
| instruction | BT20 Blue Toner Instructions |