Quote Originally Posted by Bill Burk View Post
You only "need" one graduate to hold enough developer to fill the tank.
I think it's a good idea to have only one.

If you mix up developer, fixer and stop (if you use it) before you start then you have the potential to use them in the wrong order.

If you mix the developer first then the stop whilst the developer is in the tank followed by the fixer whilst the stop is in the tank, you eliminate that possibility of error.