Polysulfide toner for cool-brown image tone.
Direct toner for warmtone emulsions.
Cold-and neutral-tone papers can be indirectly toned (after bleaching), if you want an intense color.
For warmer brown tone you can mix this with the Siena sulfur toner, for cooler purple tones mix with the Moersch Carbon Toner.
Dilution: 1+10 to 1+50