Water, do we care what type?

[pridbor]

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[Doc Henry]

You mean for photo lab.....  no restriction of the water type according to my experience for film or paper development , 

maybe a rinsing with distilled water in the Paterson tank  with a final  "distilled water" and a few drops of Kodak Photoflo to avoid stains

on negative and let dry   ....  no pool water 😊

Best H 

[TomB_tx]

When I moved to Texas and had very hard water, I did find changes in developer performance (and of course water spots). Now I am on well water, but with a softener - yet I still use R.O. filtered water (nearly distilled purity) for processing and rinse. It just removes possible variables.

[Visoflex 1]

My darkroom has filtered city water which has a PH of 7 but for mixing chemicals, I use distilled water to be certain that water is never a problem. I do, however, wash film and prints in city water before doing any "post processing". No problems for 50 years except those when I screw-up.

[Doug A]

I don't use city water. I mix my fixer and Rodinal with distilled water, and use distilled water for a plain water stop and Ilford method wash. A total of 1.5 liter of distilled water for a roll of 35mm. It substantially reduced the water spots and particles on my negatives. Cheap insurance.

[pridbor]

Those were the responses I was hoping for!

I should have mentioned that I have a full house water softener, so some small amount of salt is present and that was the real reason for me to post, as I "fear" negative effects on the Negatives. Pun intended 🙂 

I did use distilled water for the chemicals, but tap water for all the washings, and to my eyes it went well.

Thanks gents

Preben

Edited December 22, 2019 by pridbor