FOMATONER INDIGO
is liquid concentrate to prepare one-bath toner, designed for toning both freshly processed and older black and white photographs into a blue image tone. The intensity of resulting colour depends on dilution, temperature and toning time. The concentrate is available in 2 PE-bottles of 250 ml, and for use is diluted with water in a ratio from 1 + 1 to 1 + 4, according to the image tone required.Technical data sheet