Fixer mixing issue
Hello, Yesterday I mixed kodak fixer as per directions. Three litres of water at 55 deg c mixed it for a long time, and thought it was dissolved so I added the remaining amount of water, and left it over night. In the morning there was a thin layer of powder that did not dissolve. Now no matter how much I stir it, it is not dissolving. Is the fixer ruined or can I use it. One more thing, when I mixed the powder a green foam like formed at the top but when I mixed it, it went away.
Would appreciate your input.
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