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by nworth Published on 10-31-2006 07:41 PM
Water 700 ml
Ammonium thiosulfate soln. (58%) 185 ml
Sodium sulfite, anh. 10 g
Sodium hydrogen sulfite 8.4 g
Water to make 1 l

PH = 6.5 at...
by modafoto Published on 10-31-2006 07:37 PM
My own stopbath...hmm...a lot may use it, but I found out myself...

It's odourless...

To make 1 litre

* 5-10 grams of citric acid...
by DeBone 75 Published on 10-31-2006 07:35 PM
I make my stop out of 26 grams of Sodium Bisulfate in 2 gals. of water. That comes out to about 3/4 full of a 35mm canister. Works very well for...
by Claire Senft Published on 10-31-2006 07:33 PM
This is a safe and effective stop bath that is quite inexpensive. It will not indicate exhaustion. If left too long in a tray it might form mold. Go.....
by Ryuji Published on 10-31-2006 07:32 PM
acetic acid, 90% 20ml
sodium acetate 80g
water to make 1.0 liter
target pH 5.0 plus/minus 0.5

same thing can be made this way:
acetic acid,...
by Alessandro Serrao Published on 10-31-2006 07:30 PM
Water 750ml
Citric acid 15g
Water to 1 liter

plain, cheap, odourless stop bath.
by Gerald Koch Published on 10-31-2006 07:29 PM
Chrome Alum Stop Bath Kodak SB-3
Agfa 216

This chrome alum stop bath provides greater hardening than can be obtained
with a white alum stop bath....
by nworth Published on 10-28-2006 09:38 PM
Lately, several people have asked for formulas for lith developers. I came across this classic formula for an A-B type lith developer:

by Kino Published on 10-28-2006 09:26 PM
I have no experience with these formulas and take no responsibility for their suitability for modern filmstocks, they are presented as possible...
by Gerald Koch Published on 10-28-2006 09:24 PM
Armed Forces Developer #4

This is a high contrast developer for aerial films and for other low-contrast situations.

Distilled water (50°C)...
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