[Alt-photo] PYROCAT HD DEVELOPER

jusdado jmjusdado at gmail.com
Tue Nov 6 17:47:01 UTC 2018


Hi all. I try to make developer "Pyrocat hd", my pyrocatechol is: 
C6H6O3. _*NO PYROCATECHOL C6H6O2.*_
Is there any difference between them ?, I have to adjust the "Pyrocat 
hd" formula when using C6H6O3 ?. Thank you.




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