Quote Originally Posted by clay
Any clearing regimen using HCA (or muriatic) should use the absolute minimum time it takes to get rid of the residual ferric, and no more.
Problem is, this isn't easily defined since it will be different for different papers and for different temps, etc. Too little clearing will be worse in the long run. I've never noticed any bleaching from HCA, although I've never left a print in for 30+ minutes. No one ever calls me...