Quote Originally Posted by fotch View Post
I remember reading an earlier thread that recommenced two test, not just one. Made sense for me.

"And, the use of the silver nitrate test for hypo and silver sulfide for silver is a good pairing of tests to check the quality of the wash."


I do not remember who made that statement, but it is prudent advice. A test for HQ and Metol might be warranted as well. In any event, you may note that Bill and I are banned from that thread. I am loathe to continue any discussion along these lines.