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* At least one [http://www.champagneguide.net/information/glossary wine reference] claims that the word "solera" has been used for less complex perpetual blending systems, although it isn't the true definition.
* Terms are borrowed and changed all the time, and that the nature of language is to evolve.
* The term has been used since at least 2002 by Jeff Renner in an article of Zymurgy Magazine and then later in 2006 by a homebrew club to describe a single-vessel blending system for homebrewers <ref>[https://www.homebrewersassociation.org/attachments/0000/6021/JFzym02-Solera.pdf Jeff Renner. "Solera Ale: Beer That Gets Older As You Drink it". Zymurgy Magazine. Jan/Feb 2002.]</ref><ref>[https://aabg.org/new-member-info/bourbon-barrel-barley-wine Ann Arbor Brewers Guild. Walloon Solera Ale in Sweden. 2006. Retrieved 03/06/2018.]</ref>. A 200-year-old single vessel sour beer "solera" [https://hundraarigtol.se/det-svenska-vallonolet in Sweden ] was the inspiration for the latter article, however, it appears as though the owners did not refer to it as a "solera" and this . In fact, the Swedish term has only been applied by modern homebrewers that was used, which dates back to the early 17th century, was "hundred-year beer" or "hundraårig öl" (see [https://aabg.org/new-member-info/bourbon-barrel-barley-wine/waloon-solera-ale-in-sweden/ this Ann Arbor Brewers Guild blog post] and this [http://www.garshol.priv.no/blog/311.html Larsblog blog post]).
* Reversing the relatively recent precedence in the brewing industry and the homebrewing hobby of calling single-vessel blending systems something other than "solera" will be impractical now.
* The brewing of the fresh beer in a steel fermenter could be viewed as the "first stage of a solera", so as long as fresh wort is not added, it is still a solera (this argument is countered by the fact that Palomino wine is first fermented in a fermentation vessel, then racked into casks, but the fermentation vessel itself is not considered a part of the solera system <ref>[https://eng.sograpevinhos.com/enciclopedia/guia_vinho/vinificacao/jerez_palomino Sogrape Vinhos website. "Making Sherry Wine". Retrieved 03/06/2018.]</ref>).
A full debate of these points and counterpoints can be found on [https://www.facebook.com/groups/MilkTheFunk/permalink/2012252492136288/ this MTF thread], with comments by Will Meyers of Cambridge Brewing Company. As with the usage of the term "[[Lambic#Lambic_outside_of_Belgium.3F|lambic]]" and others, we encourage readers to read the arguments on both sides and develop their own informed opinions.
===See also===MTF Threads:* [https://www.facebook.com/groups/MilkTheFunk/permalink/4077032142324969 MTF post on technical process of running a true solera for sour beer.] Videos and other resources:
<youtube height="200" width="300">bjMB0E_KeYI</youtube>
==See Also==
===Additional Articles on MTF Wiki===
* [[Barrel]]
* [[Foeder]]
* [[Mixed Fermentation]]
* [[Brettanomyces]]
===External Resources===
* [http://aabg.org/wp-content/uploads/2010/01/Walloon-solera-ale-in-Sweden.pdf Old Walloon Ale; a 200 year old solera.]
* [https://www.facebook.com/groups/MilkTheFunk/files MTF Solera spreadsheet calculators (search for "solera").]
* [https://archive.org/details/SoleraAgingSpreadsheet Michael Tonsmeire's Solara Aging Calculator Spreadsheet.]
* [https://youtu.be/vArGRiNtp3U?t=604 Sherry presentation by Erik Wait (starts 10 mins in).]
* [https://www.youtube.com/watch?v=sTbhTIRJsRE&list=PLZ3Z2428mCTpcAF4enwPCX4EV04RvnZhC Bryan Heit's "Solera" instructional video playlist.]
==References==