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Showing results 1 to 25 of 277
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Posts Made By:
Stocky
Forum:
Manufactured brews
10th March 2024, 11:36 PM
Replies:
54
Id11
Views:
12,953
Posted By
Stocky
Here at the End of the Earth borax is still...
Here at the End of the Earth borax is still freely available. I suppose I should stock up on it, as well as incandescent globes. Making some chemicals unavailable is not altogether a bad thing: my...
Forum:
Darkroom
14th February 2024, 11:58 PM
Replies:
16
Ilford fixer dilution
Views:
753
Posted By
Stocky
It will depend on how much the fixer and whatever...
It will depend on how much the fixer and whatever fixer was used in its replenishment were used. It's all about silver levels in the fixer.
As far as 1+4 fixer for prints is concerned, Ilford...
Forum:
Photography in general
4th February 2024, 09:54 AM
Replies:
22
YELLOW sodium sulphite / sulfite
Views:
1,589
Posted By
Stocky
If it's yellow, it has something else in it....
If it's yellow, it has something else in it. Maybe the vendor could clarify. I've only ever had it white.
edit: a search suggests it's sodium sulphide, totally different!
Forum:
Photography in general
18th January 2024, 11:31 AM
Replies:
60
Large, sharp grain... Suggestions?
Views:
3,095
Posted By
Stocky
I don't think Pyrocat-HD is a good candidate for...
I don't think Pyrocat-HD is a good candidate for obvious grain. It is my favorite developer because despite being very sharp it tends to be smooth at the same time, possibly due to what they call...
Forum:
Monochrome Film
6th January 2024, 11:22 AM
Replies:
17
Replenishing Paper Developers.
Views:
885
Posted By
Stocky
I use home made Ilford ID-78 in a 12x16 Nova...
I use home made Ilford ID-78 in a 12x16 Nova slot processor. I find that FB paper absorbs a surprising amount of developer so I have to keep topping up. That keeps me going for some days: I tend to...
Forum:
Photography in general
22nd December 2023, 09:05 PM
Replies:
25
chemical risks
Views:
2,809
Posted By
Stocky
I've seen Cibachrome prints once. They were huge...
I've seen Cibachrome prints once. They were huge landscapes printed, I think, by someone in Adelaide for Peter Lik and they were unbelievably brilliant. They were so brilliant that I thought they...
Forum:
Monochrome Film
10th December 2023, 12:30 AM
Replies:
17
Metering For Monochrome.
Views:
8,408
Posted By
Stocky
I discovered 50 years ago that pointing the meter...
I discovered 50 years ago that pointing the meter at the subject (and developing according to manufacturers' times) gave negatives that were not as good as when I gave a bit more exposure. Stage one...
Forum:
Chemical formulae
10th November 2023, 09:26 PM
Replies:
17
The bisulphite/metabisulphite conundrum
Views:
2,005
Posted By
Stocky
I was surprised that I couldn't find an errata...
I was surprised that I couldn't find an errata file for the Darkroom Cookbook. There is one easily findable for the Film Development Cookbook, and there are quite a few errors corrected.
I briefly...
Forum:
Chemical formulae
9th November 2023, 06:15 AM
Replies:
17
The bisulphite/metabisulphite conundrum
Views:
2,005
Posted By
Stocky
I've rarely worried about the absolute purity of...
I've rarely worried about the absolute purity of chemicals. Sometimes I've phoned suppliers and they have insisted that their product is absolutely 100% pure (which was incorrect).
My basis for my...
Forum:
Chemical formulae
8th November 2023, 10:22 PM
Replies:
7
Non-allergenic, environmentally friendly print developer.
Views:
7,156
Posted By
Stocky
Just remember that "Vitamin C Powder" can be...
Just remember that "Vitamin C Powder" can be ascorbic acid, or sodium ascorbate, both useful in developers but you need to be aware of the difference. There is also calcium ascorbate at my local...
Forum:
Chemical formulae
8th November 2023, 10:15 PM
Replies:
17
The bisulphite/metabisulphite conundrum
Views:
2,005
Posted By
Stocky
Very few of the chemicals we use are as pure as...
Very few of the chemicals we use are as pure as 99%. In some cases you can request the analysis, and generally most of the impurity is something that can totally be ignored like sodium sulphAte.
...
Forum:
Chemical formulae
6th November 2023, 08:16 PM
Replies:
17
The bisulphite/metabisulphite conundrum
Views:
2,005
Posted By
Stocky
Use either. Kodak called metabisulfite bisulfite....
Use either. Kodak called metabisulfite bisulfite. For details, have a look at:
https://www.photrio.com/forum/threads/metabisulfite-in-pmk.76197/#post-1052232
Forum:
Auctions of Interest
8th October 2023, 08:53 PM
Replies:
4
Chem's going cheap e*ay
Views:
921
Posted By
Stocky
I wouldn't buy old fixer because it doesn't last...
I wouldn't buy old fixer because it doesn't last well enough. The bottle of fixer is not transparent so possible breakdown can't be seen.
Forum:
Darkroom
6th September 2023, 11:02 PM
Replies:
23
Ilford Rapid Fixer - Some Precipitate
Views:
2,212
Posted By
Stocky
The Fotospeed FX30 is relatively odourless...
The Fotospeed FX30 is relatively odourless because its pH is close to neutral (6.5 according to the MSDS).
And because it's not acidic, it won't break down like an acidic fixer. I have an...
Forum:
Darkroom
25th August 2023, 08:19 AM
Replies:
10
Enlarger Help
Views:
1,575
Posted By
Stocky
I have read that if you're going for Durst then...
I have read that if you're going for Durst then try to get one with the accessories that you're likely to need such as negative carriers for all sizes that you might use.
Forum:
Darkroom
10th August 2023, 12:21 PM
Replies:
19
Enlarger power supply repair.
Views:
2,610
Posted By
Stocky
My Bolex is an S-321, built like a Swiss watch...
My Bolex is an S-321, built like a Swiss watch but it weighs 55 pounds.
Forum:
Darkroom
9th August 2023, 10:35 AM
Replies:
19
Enlarger power supply repair.
Views:
2,610
Posted By
Stocky
I actually wrote to Bolex about the projector,...
I actually wrote to Bolex about the projector, hoping to buy a mains cable or plug. They said that they were long gone, and that I should have the socket replaced with a modern IEC one by a suitably...
Forum:
Darkroom
9th August 2023, 12:18 AM
Replies:
19
Enlarger power supply repair.
Views:
2,610
Posted By
Stocky
One problem with finding a suitably qualified...
One problem with finding a suitably qualified person is that our equipment is getting older, and, at least where I live, qualified people do the standard things but don't seem resourceful with...
Forum:
Monochrome Film
20th July 2023, 02:41 AM
Replies:
3
Hypo Clearing Agent
Views:
1,021
Posted By
Stocky
The version I have is from Ryuji Suzuki years...
The version I have is from Ryuji Suzuki years ago. It's probably slightly different to the most common one quoted (which is 20g/L sodium sulphite). It can be made up as a stock 10x these amounts, and...
Forum:
Manufactured brews
25th June 2023, 08:29 PM
Replies:
29
ilford verses champion
Views:
6,042
Posted By
Stocky
In comparing fixers, you could look at their...
In comparing fixers, you could look at their MSDSs and find their density which will be a measurement mostly of their ammonium thiosulphate content. Some brands are a bit less dense than Ilford...
Forum:
Photography in general
25th April 2023, 08:43 AM
Replies:
6
Lens cleaning
Views:
852
Posted By
Stocky
When Camera Clinic replaced the lens element,...
When Camera Clinic replaced the lens element, they gave me the old element and the Nikon packaging that the replacement came in. The old element was quite cloudy. They said they tried to clean it to...
Forum:
Photography in general
25th April 2023, 04:41 AM
Replies:
6
Lens cleaning
Views:
852
Posted By
Stocky
If that is the AF version, it is a very...
If that is the AF version, it is a very troublesome lens. I had one and it ended up at the Melbourne Camera Clinic (official Nikon repair people) who tried to clean a particular element and...
Forum:
Darkroom
3rd April 2023, 11:19 AM
Replies:
15
Multigrade filters to colorhead
Views:
1,553
Posted By
Stocky
There are ways to calibrate the colour head to...
There are ways to calibrate the colour head to dial in contrast grades. I can find a link if anyone is interested.
Forum:
Chemical formulae
24th February 2023, 02:53 AM
Replies:
5
Kodalk , Sodium Metaborate Substitute .
Views:
4,476
Posted By
Stocky
When I was young I had a chemistry set. (Does...
When I was young I had a chemistry set. (Does such a thing exist today?) My book had a chapter on growing crystals of alum, copper sulphate and similar salts. The technique was about saturated...
Forum:
Darkroom
19th February 2023, 08:20 PM
Replies:
4
Is Catechol the same as Pyrocatechin ?
Views:
755
Posted By
Stocky
I use Pyrocat-HD mixed in water, the original...
I use Pyrocat-HD mixed in water, the original formula. It lasts well (a year+ in my experience)
Note that the formula (the original Pyrocat-HD) is a little bit different to the glycol formulas (of...
Showing results 1 to 25 of 277
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