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Developing Black & White Photo's at Home

Step 7The chemicals

The chemicals
Getting the chemicals may be slightly tricky depending on where you live, ask around some local camera shop and they should be able to point you in the right direction. I got mine from Jessops (in the UK) they've got a website where you can order from.

The two chemicals you'll be using are:

The developer - I'm not sure of the chemistry behind developing films but from what I've heard on the grape vine the developer deposits silver crystals on the film on the area that has been exposed by light causing them to go dark (hence images turn out negative).

The fixer - The fixer fixes the deposited silver crystals in place and stops the film from being light sensitive.

These chemicals usually have to be diluted before you use them, the dilution rates will depend entirely on the brand you have purchased, for me the developer was diluted 1:14 and the fixer was diluted at 1:4

Also depending on the brand you may be able to reuse the chemicals, my developer is single use but my fixer can be used about 4 times.
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Author:}{itch