SJM Senior Member Joined: 17 Nov 2004 Posts: 1,588 Location: CA Expertise: I love coffee
Espresso: SAMA, Gaggia Classic Grinder: OE Pharos, Rancilio MD-50 Vac Pot: no Drip: no Roaster: Behmor
Posted Fri Oct 18, 2013, 9:34am Subject: Re: Gaggia Classic Espresso Machine and distilled water
Probably not, but the espresso won't taste very good either. The subject is complicated, and I am not equipped to give you a quick clean explanation, but someone will probably elaborate. To get you started you might want to do a search on "water" and see all of the information (and probably some misinformation too) that has already been entered...
There really is a site dedicated to your Gaggia: http://www.gaggiausersgroup.com
If you use distilled, you should add a bit of baking soda/NaHCO3. Distilled water can absorb CO2 and become mildly acidic. Not good for aluminum and in turn probably not good for you. You should not get scale with or without the bicarb.
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