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About Photographers' Formulary

Benzotriazole (Anti-fog #1) - 10 grams

Reviews about this item

Reviewed by 1 customers

 
5.0

old formula revisited

By

from Montreal, Canada  -  Pro Photographer

Still the best to solve aging films and papers.

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Zuphachai l  Any instruction for using this chemical ? Thank you
LOUIS C  I add it to the paper developer when I am printing black & white negatives. In liquid form it is one ounce to 32 ounces of developer approximately. I have yet to use the powdered form. Lou
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