Previously called 'Tetenal Fixing Salt', Tetenal Vario Fix is a sodium thiosulphate based powder fixer, using anhydrous salt, and incorporated stabilisers. It's suitable for all black-and-white negative films and photographic papers.
Powder fixers have become rare these days and have the main benefit of having an extremely long shelf life. The kit comes in two separate powder bags. Each bag allows you to make 5 liters of fixing solution at the standard dilution of 1+1.
Fixing times are 2 to 4 minutes for black-and-white film and 4 to 10 minutes for photographic papers. When fixing T-Grain films, times have to be doubles.