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Old 10th July 2013, 08:08 PM
DavidH DavidH is offline
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Join Date: May 2010
Location: Dengie Peninsula
Posts: 432
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I live in a hard water area and have never noticed any adverse effects on the chemicals. I have used ID11, Microphen, Perceptol, Promicrol etc. over the years and in the case of ID11 have made it with distilled water without noticing any difference in developing times.
Regarding de-ionised water, when I was a lab tech in the late 1960s we used to use it, but so far as my dim memory recalls it did not remove the chemicals, only deactivate them. It may be different now, but if not it may make little difference to drying marks. Distilling water on the other hand, removes most of the chemicals.
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