The following is from my: The Complete A-Z Video Guide to DevelopingBlack and White Film At Home! I’m now including it here as members only content. Enjoy!
Part One – Materials Needed
GSD-10
Chemical Needed for GSD-10
Add the chemicals in the list below, in the order that they appear in the formula, to 750ml of distilled water that has been heated to 125*. Be sure each chemical is completely dissolved before adding the next. When all of the chemicals have been dissolved, top up to 1 liter with distilled water. Your concentrated stock solution is now ready to use. Dilute 1:10 to make a working solution.
Most can be purchased through Photographers Formulary
- Sodium Sulfite 50g
- Sodium Carbonate 75g
- Glycin 10g
- Distilled water to 1 liter
Mixing GSD-10 Concentrate
[fvplayer src=”https://s3.amazonaws.com/filmdevelopment/mixing-gsd-10-concentrate.mp4″]
Mixing GSD-10 Concentrate Into Working Formula
[fvplayer src=”https://s3.amazonaws.com/filmdevelopment/workingformula.mp4″]
1941 Rodinal Formula
If you’re wanting to make your own Rodinal and want to order the chemicals before I make the videos, below you’ll find all that you’ll need. I just spent $70.85 on the three base chemicals needed to make Rodinal. You can get them all at Photographers Formulary.
1. p-Aminophenol Hydrochloride
2. Potassium Metabisulfite
3. Sodium Hydroxide
We will be following the 1941 formula. I purchased one pound of each chemical. It takes but a few grams of each to make a 1000ml batch of concentrate. The price for ready made Rodinal in $13.99 per 500ml, plus shipping. You can really get your development cost down by making your own developers. This concentrate can last for several years!
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