Originally Posted by Jüri
For me 1:10 is 1 part of total of 10 parts. 1+10 is 1 part plus 10 parts. Simple.
Not always simple though.
Sometimes you see "dilute 1:1 with water". Does that mean you don't add any water?!!
To me it means a ratio of one part developer (or whatever) to one part water.
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