Quote Originally Posted by guruguhan
Hi all,

Was wondering if I can use the same brush for these two processes (and if I were to start other processes - can I use the same brush for all)? Or do I need to buy one brush for each process. Thanks!

one big huge resounding NO

you are more than likely to cross contaminate the metals in the processes. Itll will reak havoc on the prints.
Ive found I can use the same brush for Cyanotypes and Van Dykes without a big problem.

But get a seperate brush dedicated for pt/pd printing and nothing else.