Quote Originally Posted by Alex Muir View Post
I have bee troubled with drying marks on my 35mm B&W negatives recently. I am working on a solution, but have some affected films I want to print. I bought a spray of cleaning solution which is meant for cleansing skin and equipment by professional manicurists. It is mainly Isopropyl, with some additives including a blue colour . I couldn't find straight isopropyl alcohol. It works when applied to the film base and evaporates quickly. Is the alcohol likely to cause long term damage? Thanks, Alex.
If you use distilled water with a couple drops of PhotoFlo for the final rinse, you won't have drying marks. There are, or were, commercial film "rapid dryers" which were isopropyl, but some goop from a manicurists... not on my film.