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Hey guys, I brewed a coffee stout/porter on the weekend, will be adding espresso when fermentation settles down. Here is the question, I have an espresso machine, and will sanitize the cups and such. Do I need to preboil the water that I use, do I need to sanitize the reservoir on the machine? After all of the care I take to clean and sanitize everything, just making a bunch of espresso and dumping it into the fermenter scares me.