From the course: Analog Photography: Shooting & Processing Black-and-White Film

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Mixing the chemistry to develop film

Mixing the chemistry to develop film

From the course: Analog Photography: Shooting & Processing Black-and-White Film

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Mixing the chemistry to develop film

When you buy your chemicals, they are not ready to use right out of the bottle. These are all concentrates that are too strong to properly process the film. It's important that you understand from the very beginning, there are two very specific types of solutions that we'll discuss. The first is a stock solution. The stock solution is as these are a prepared solution that is ready for dilution to become a working solution. The working solution is the solution that will actually come in contact with the film or the paper. These actually come as stock solutions and only have to be diluted once. The same is with, true of the fixture right here. The hypo clearing agent on the other hand comes as a powder and you use that powder to create a stock solution and once you've created the stock solution, your next step from that stock solution will be to create a working solution. So we're going to start off by creating a stock solution from this powdered fixture. Step one, and the instructions…

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