Quote Originally Posted by Daire Quinlan View Post
This is accomplished by simply using 1/10th of each of the concentrates when making up the working solution. You need a measuring syringe for this, some of the amounts involved are pretty small.
Here in the UK, you can go in to most chemists (Boots included) and ask for a pack of syringes in 1ml, 2ml, and 5ml sizes - They come complete with needles, swabs, "sharps" disposal box and a couple of condoms. These are handed out free of charge for junkies and photographers mixing their own brews...