My post has to do with the metal cone filter which I just bought from Sweet Marias. Is it OK to leave the metal filter in when running some vinegar through my coffee pot? I get sediment build up with the water in San Antonio. Thanks.
Tim: Good question; I would say yes as long as you do not leave it there for a LONG period of time. Why not just use some Dawn dish detergent to clean/soak your filter with? Likee you are washing it as a soup bowl etc. ginny ---- Tim Hoke wrote: <Snip>
Tim, The instructions with my coffee maker and a gold mesh filter says to= remove the filter when descaling the coffee maker. Don't know what the ac= id in the vinegar would do to the gold filter. I have not had to descale my= new coffee maker because of the hard San Antonio water. Jim "Ice Buck= et Roaster" De Hoog ----- Original Message ---- From: Tim Hoke To: homeroast Sent: Monday,= December 11, 2006 4:12:27 PM Subject: +Metal Cone Coffee Filter = My post has to do with the metal cone filter which I just bought from Sw= eet Marias. Is it OK to leave the metal filter in when running some vin= egar through my coffee pot? I get sediment build up with the water in = San Antonio. Thanks.= homeroast mailing listhttp://lists.sweetmarias.com/mailman/listinfo/h=omeroast To change your personal list settings (digest options, vacations= , unsvbscribes) go tohttp://sweetmarias.com/maillistinfo.html#personalsett=ings
Gold is one of the Noble metals that is nonreactive even with Aqua Regia, a mixture of concentrated Sulphuric + Hydrochloric acids. If the Gold filter is really metallic Gold or even plated with Gold metal, your only worry should be a mechanical scrubbing of the filter. None of the snake oil that cleans up espresso machines would bother real metallic gold. But all the crap and corruption that came out would get stuck in the filter and you'd want to reread paragraph (2) above. Cheers -RayO, aka Opa! Got Grinder?
Con Sulphuric + Con Nitric acid = Aqua Regia. Won't touch Gold. forgot -ro On 12/12/06, raymanowen wrote: <Snip> -- "When the theme hits the bass, I dance the Jig!" - -Virgil Fox at the Mighty Wichita (ex- NYC Paramount) WurliTzer- 1976
BS! con HCl +con HNO3!!! Bad Stuff -ro "When the theme hits the bass, I dance the Jig!" - -Virgil Fox at the Mighty Wichita (ex- NYC Paramount) WurliTzer- 1976
On 12/11/06, Jim De Hoog wrote: <Snip> If the metal is actually gold or gold-plated, the vinegar shouldn't hurt it. However, for the filter unit, a mild detergent would remove the stale coffee oil crud better than vinegar. Safe Journeys and Sweet Music Justin Marquez (CYPRESS, TX)
I think that aqua regia is actually concentrated nitric and hydrochloric acids. Very nasty stuff. And I believe that it will dissolve metallic gold (along with any other crud from coffee making). I think that there are only a few metals that aren't oxidized by aqua regia, iridium is one of them. If you had the equipment and the money you could make a nice iridium plated Swiss gold filter -- just what every coffee geek needs! I wouldn't recommend playing with aqua regia unless you know what you are doing and have proper protection (don't breathe the fumes). Cameron On 12/11/06, raymanowen wrote: <Snip>