Welcome to APUG.
In the Forums list, go to "Darkroom," then "Color: Film, Paper, and Chemistry," and the first sticky thread is this:
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It's quite long, but a very good read.
More directly to your question is post #3 on this thread:
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Here is another thread to look through:
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I've not tried any of this yet, so you may want to search APUG for confirmation that these things have worked well.