Tetenal Paranol S Film Developer is a one-shot developer for black and white film. It is ideal for low to medium speed films. You will get fine grain and crisp, sharp results.
Paranol S is a ‘compensating’ developer based on p-Aminophenol, characterized by extremely high acutance. This basically means it’s a lot like Agfa Rodinal. The “s” in Parasol S stands for sharpness.
Tetenal Paranol S has two dilutions; 1+25 and 1+50. The different dilutions help control the contrast of negatives and the length of developing time. This bottle will develop up to 25 films.
Paranol S has a dark colour which gets darker after opening. Don’t worry, it is normal. Unopened, concentrate will last up to 2 years, once opened it you have 6 months to use it.
As it is a concentrate, you dilute it to make a working solution. To prepare Tetenal Paranol S, dilute 1+25. That means one part developer to twenty-five parts water. You can also dilute 1+50. So one part developer to fifty parts water. Make sure you mix together thoroughly before use.
Have a look at the other Black And White Film Developers we have in stock. If you’re not sure which one to pick read our guide to help you Choose Your Film Developer.
How To Develop Film
If you would like to learn more about developing your own film, you should read our guides How To Develop Black And White Film and How To Develop Colour Film. Both guides will walk you through each step of developing film at home.
Also, check out How To Develop Film At Home for a list of everything you’ll need. How To Prepare Film Developing Chemistry will explain how to get your chemicals ready for processing. Once you’re ready to go, find your Black And White Film Developing Times.
You can explore further and look at How To Stand Develop Film and Pushing and Pulling Film.
Film Developing Chemicals
Read our guides? Looking to stock up on film developing chemicals? We have everything you need; Developer, Stop, Fix and Wetting Agent.
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