i was using it for liquid emulsion and following the instructions in martin reeds book. i tend not to use a subbing solution for platinum printing. jill In a message dated 10/11/00 5:42:25 PM, dsbryant@worldnet.att.net writes: << Were you doing this for gum printing? In my case I was blindly following instructions give in Dick Arentz's book for platinum printing. Don Bryant >>