Photographers' Formulary Thiourea Toner (1 liter)
Calumet # FR3032
Mfg. Part # 06-0045
Ships 1 - 3 weeks
[+] New! Check In-Store Availability
Product Features
Gives beautiful rich brown sepia-like tones. Print is first bleached using ferricyanide-bromide bath then redeveloped in a sulfide bath.