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Forum: Film Processing, Scanning, and Darkroom
02-21-2011, 09:13 PM
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Whenever isopropyl is referred to they mean 99% pure alcohol (ie, as pure as it's practical to get and flog in a hardware store.) If you're worried about wasting it, then just rinse as normal, then wipe down the film when its dry.
Doesn't matter. It's easier to just wet a cloth with the alcohol, wrap it around the film and pull it through.
Actually, I use these: Home - Clearwipe by Kobayashi
Brilliant. Lint-free cloth, single use so it doesn't build up dirt. They're just woven paper cloth with isopropyl on it.
They're actually the best damn thing for cleaning any glass - lenses, glass, you name it.
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Forum: Film Processing, Scanning, and Darkroom
02-21-2011, 07:41 PM
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Two words: isopropyl alcohol. Lowers the surface tension of the water without sudsing like detergent/wetting agent does.
Add, oh, about a tablespoon per 500ml tank for the final rinse. If there are still water spots, you can use a lint-free cloth moistened with alcohol to wipe them off.
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