Despite many precautions I am still having problems with dust and other drying marks, especially with 4X5. I use Tetenal antistatic wetting agent in a final rinse of purified water and dry the films in a shower cabinet in a rarely used guest bathroom but this doesn't seem to help.
I've seen a somewhere a suggestion to add 'a little' isopropyl alcohol to the wetting agent so I bought some in a 70% solution. Has anybody tried this method and can give me an idea how much alcohol to add?
Any other suggestions also welcome!