[pure-silver] Old Paper Developer Question

I have few boxes of 25+ year old enlarging paper, including Ilfobrom and 
Portriga Rapid.  It is unopened, so I decided before blazing away I should look 
for some information about how to best to process it, particularly to minimise 
fog. First I sourced some benzotriazole which I thought could just be added to 
Dektol or Neutol or Bromophen developer.  

Then following links from the UnblinkingEye website I found some suggestions 
that both amidol-based or glycin-based developers are more resistant to fog 
than the usual MQ or PQ blends.  Does anyone know if that is right, and whether 
either of them is likely to be a better developer for my old paper?

Thanks
Don Sweet

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