effect of hard water in paper industry

[jamesbce]

hello friends,
calcium and magnesium salts tends to react with chemicals and other materials employed to provide a smooth and glossy finish to paper.Moreover , iron salts may even affect the color of the paper being produced.
thank you.
JAMES:mad:

[coffeebean]

that's really interesting I didn't know that!thanks for the information however I'm not really sure if your talking about paper or photo paper.