From what you described--no stain, faint image--it sounds like your problem has nothing to do with the fixer. Something is wrong with either the dilution ratio or the developing time; too high a dilution ratio or too little development could yield the results you've described--stain is generally proportional to density. It is also possible, perhaps probable, that you did not follow the mixing directions correctly. If you dissolved the pyro before sodium sulfite or sodium bisulfite (I'm not sure which is called for in ABC Pyro.), the pyro could have oxidized and lost its potency.(posted 8355 days ago)It's hard to determine exactly what is wrong, but no matter what fixer you used, you should get proper negative density and at least moderate stain. That you have little image and no stain indicates something wrong in the mixing or developing stage of your procedure.