I'm quite new to creating my own solution for developing b/w film, so can someone give me some advice on what 1+9 means? I want to develop 1x35mm film in a tank. Thanks in advance.
as to the original post ,,,depending what tank you are using ,my paterson tank needs 10fluid ounces to cover one film ,,,therefore one oz of developer mixed with nine oz of water ,,gives a ratio of 9 to 1 and enough to cover one film in the tank.
Most people would buy & measure chemicals in litres as it makes it so much easier to understand, The standard Patterson 4 tank needs 290ml if i remember right for 35mm film, so most would round it up to 300ml = 270ml water + 30ml Dev Job done
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