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Can I use Medium Roast Profile in my espresso machine?Updated 4 months ago

Yes! 

Since the Medium Roast Profile does not contain any chlorides and only contains permanent hardness minerals, it is totally safe to use in your espresso machine.

All Third Wave Water profiles contain only permanent hardness minerals, meaning that none of them will cause limescale buildup. When selecting a water profile for your espresso machine, be sure to look at the ingredients and if any of the minerals are the "chloride" form. Chlorides cause corrosion to occur in your machine's boiler.

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