Quote Originally Posted by Shawn Dougherty View Post
So do you have any thoughts about how it does work, Gerald? Developed silver helping to block light? The exposure occuring late in the process so not enough time to develop as Bill suggested? Simply too little exposure to make a difference beyond a slight increase in base fog? All of the above?

I'm just curious. Thanks!
The article linked to by yourself earlier in the thread was to Michael and Paula's web site, and if I remember correctly they use ABC pyro, which is a pyrogallol developer. I wonder if it makes any difference that it's pyro and a rather heavily staining formula?