Part of our eco range of developing chemicals, that we specially created for safer use in schools and colleges, this universal fixer is based on ammonium thiosulphate and is specifically formulated for all black & white film and paper fixing.
Easily eliminated by washing, it makes for shorter washing times and is more eco-friendly than many other fixers.
One litre of concentrate is diluted 1+4 for film and 1+9 for paper, with film fixing taking 5 - 10 minutes, and paper fixing 2 - 5 minutes at 20°C.
This item is available for collection.