When I made my first attempt at a board, I realized after I used too concentrated of a developer solution and most of the traces came off. This time I'm going paranoid and I put in about 1 cup of water to maybe 3 tablespoons of developer (but I didn't use a spoon to measure). My question is, whats the maximum amount of time one should leave a board sitting in developer? I want to use this time as a factor to gauge how much developer I should pour in.
I'm using the standard positive developer from MG chemicals. Also, I use blacklight as my exposure source.
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