Ilford Rapid Fix contains no Hardener. From The IRF MSDS the list of ingredients is:Originally Posted by Early Riser
Clearly, No hardener is listed in the IRF MSDS
In addition Ilford, state:
1. The current version of Hypam Fixer is rebadged Ilford Rapid Fixer
2. There is no hardener in either IRF or Hypam - if you want hardener you must add it yourself.