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PC-512 Borax Development Starting Times

Overview Discussion

relistan

Member
Joined
Sep 1, 2013
Messages
1,640
Location
Dublin, Ireland
Format
Multi Format
relistan submitted a new resource:

Pc-512 Borax Starting Times - Starting point times for various films with this simple developer


Read more about this resource...
 
Thx!

Would love to see Fomapan times when someone has tried it.
 
Thanks Karl for this resource page, also thanks to Alan and Andrew. I longed for this and requested also. I missed the post since I could not follow due to my preoccupation.
 
Karl, can you suggest me starting time for double X? I'll be shooting some in near future. I'll definitely try.
 
Sidd said:
Karl, can you suggest me starting time for double X? I'll be shooting some in near future. I'll definitely try.
Click to expand...

Sorry for the late reply! As a rough starting time, I use XTOL times minus 15-20%. That won’t likely be perfect on the first try, but has always produced negatives that were only needing some refinement and not totally unusable.
 
relistan said:
relistan submitted a new resource:

Pc-512 Borax Starting Times - Starting point times for various films with this simple developer



Read more about this resource...
Click to expand...

I would like to add my 120 film Developed : ADOX CHS II 100 Homemade D23, 1:3 Dilution in Jobo 12 min with 15 sec @ min agitation.

Also a free portfolio site from Sweden in really cool. https://www.youpic.com/john_ketelhut
And on https://www.flickr.com/photos/john_ketelhut/with/54922584448 shooting 1960 Retina Reflex S Model. Just bought a 27.00 Zeiss 512 folder for 120 using Omega D2 VC, I don't have a scanner for uploads. Anybody do scanning to USB. Im in N. California
 
I am confused, Tower Photo Art. What has your time for Adox C HS II in D23 at 1+3 got to do with Relistan's source of time for his developer Pc512 Borax ?

pentaxuser
 
Tower Photo Art said:
Isnt PC512 Borax homemade D23?
Click to expand...

No, it isn't. As the name itself indicates, PC512 Borax uses Phenidone, Ascorbic Acid and Borax. D23 on the other hand uses Metol and Sodium Sulphite. The two are very different developers. PC512 is a one-shot developer whereas D23 can be reused or replenished or diluted and used one-shot.
 
As Raghu stated, they are not the same. I mix up and use both developers. They only thing they have in common is that they are both very versatile...and use water
 
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