IIRC acid is your main enemy.You can flip steps 3 and 4 easily and using HCA
after KRST can also cut the final wash time
In the old old times, it was recommended to have a 2 bath fixer, with the 2nd
being plain hypo.Then a short wash (5 min) and KRST for as long as needed, then
HCA and final wash.
Check the IPI docs on that 1+40 KRST, you might need to increase the quantity
for archival quality as IPI showed that selenium needed to be carried to almost
completion.
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Toning and Permanence of Silver Gelatin Prints
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Brown toner/Viradon was way more archival.
On Sunday, April 16, 2023 at 02:48:50 PM EDT, Tim Daneliuk
<dmarc-noreply@xxxxxxxxxxxxx> wrote:
My normal archival fixing disciplines is:
1. One minute fix in Ilford rapid fixer
2. Five minute running water wash
3. Five minute PermaWash treatment
4. 3-7 min in Kodak Rapid Selenium Toner 1:40
5. 60min running water wash in an Eco Washer
Years ago, I tried combining the PermaWash and Toner
steps by diluting the KRST further to get a minimum
of 5 minutes time. This cause intermittent staining.
But as I read the ingredients for these concoctions,
I realized that KRST has Sodium Thiosulphate in it.
So ... should I really be toning first then hypo
clearning?
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