Sheesh, where I live we only have one option, cold water. Our machines are not hooked up to any hot water at all, not even designed for hot water. Not sure how I would even try to do that, I suppose I could make everything as warm, but never tried. Been washing everything in cold water for about 9 years. Though the temperature here doesn't get much below about 45 degrees either. I forget already what temperature detergent stops working.. Might be higher than 45, but I never noticed any problems...
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