Home |
Search |
Today's Posts |
![]() |
|
Winemaking (rec.crafts.winemaking) Discussion of the process, recipes, tips, techniques and general exchange of lore on the process, methods and history of wine making. Includes traditional grape wines, sparkling wines & champagnes. |
|
LinkBack | Thread Tools | Display Modes |
|
|||
|
|||
![]()
Hi Fred,
My feeling is alcohol levels reached upwards of 14%, which hindered further fermentation. Needless to say, the wine is fully dry and in great shape! Thanks for your reply and all the best, -Paul "frederick ploegman" > wrote in message ... > Paul > > Sorry. I would normally expect such a wine to have an end SG > reading of 0.988 rather than 0.998. > > Frederick > > > "Paul S. Remington" > wrote in message > m... > > Hello Fred and thank you for the reply. Ray was the only one to reply > > who might help determine the error in my calculations. Hopefully I'll > > figure out what I did wrong. > > > > Thanks also on the assessment of my wine. Although I'm happy to > > report that my wine most definitely isn't stuck. Clinitest shows it's > > bone dry, as do taste tests. Taste tests reveal a strong alcoholic > > snap, reminiscent of a Washington state wine called Duck Pond, which > > is about 14.5%. Dextrose additions raised Brix to 24 at start of > > fermentation, so those yeasties had a lot to feed upon! I'd be > > shocked if this were at the levels of my 2002 Seyval, which is at > > about 12.5%. > > > > I used Enoferm CY-3079 yeast, which is good up to about 14% > > alcohol with decent temperature tolerance. Used Lallemand Go-Ferm > > nutrient through primary and Fermaid-K nutrient after an eight Brix > > drop. Also put it through ML fermentation using Enoferm Alpha > > (Oenococcus oeni). Chromatography tests show ML fermentation > > completed properly. It's in its eighth month storage on 10oz of > > Stavin medium+ oak and I have to say with pride, it tastes damn > > good!!! Creamy mouthfeel, slight hint of butter, nutty and complex > > character, and the oak has integrated well over the entire flavor > > profile. Can't wait to bottle the stuff and begin enjoying it, but > > that won't happen until January or February 2005. Gotta fine and cold > > stabilize first. > > > > And I have to thank many of you in this newsgroup for coaching me > > through various questions and issues. Mostly our resident Chardonnay > > expert, Tom S. > > > > Cheers All! > > > > -Paul > > > > "frederick ploegman" > wrote in message > >... > > > "Paul S. Remington" > wrote in message > > > om... > > > > "Ray" > wrote: > > > > <Snip!> > > > > > The calculation I use is that published by Duncan and Acton in > > > Progressive > > > > > Winemaking. > > > > > PA = (G begining - G ending) / F > > > > > Where > > > > > G = 1000 * (SG - 1) = gravity > > > > > and > > > > > F = 7.75 - 3*(G begining - 7) / 800 > > > > <Snip!> > > > > > > > > Hello Ray, et al., > > > > > > > > I ran my numbers for a Chardonnay in long-term aging to see what PA > > > > the formula above reports. I must be doing something wrong because > > > > the answer I'm getting is an impossible PA. Can someone run-through > > > > how they're determining the answer based on my SG? Either the formula > > > > is wrong or I'm wrong. Considering what I do for a living, I lean on > > > > the latter; I'm NOT a mathematician! Rather, I was a Liberal Arts > > > > major. :-) > > > > > > > > Beginning SG: 1.098 > > > > Ending SG: .998 > > > > > > > > The final alcohol rating I calculated with a hydrometer after > > > > fermentation completed was 13.75%. > > > > > > > > Much appreciated, gentleman! > > > > > > > > -Paul > > > > > > Hi Paul > > > > > > I'm not a mathematician either, so I will let those guys answer that > part > > > of your post. Hydrometers and "standard" charts haven't changed in > > > my (long) life time, so I will continue to believe that they are the > best > > > that "science" has been able to come up with (so far). > > > > > > Here is how I would evaluate your wine: > > > > > > Your ferment got stuck. You have about 2% residual sugar and your > > > alcohol is about 12.4%abv. I would not trust this wine to remain > > > stable in the bottle with this much remaining sugar in it. > > > > > > I would taste it to confirm the presences of sugar and then test it with > > > clinitest to try to determine how much. If more than 0.5%RS, I would > > > stabilize by raising SO2 to not less than 0.83ppm molecular and add > > > enough sorbate to insure stability. > > > > > > OTOH - You might decide you want to force it to go dry. To do this > > > with this much alcohol already present will be troublesome. Use a > > > very high alcohol tolerant yeast such as P. Cuvee (PdM) etc, and a > > > slow "doubling" procedure to let the yeast get used to the high > > > alcohol content. HTH > > > > > > Frederick > > |
Thread Tools | Search this Thread |
Display Modes | |
|
|
![]() |
||||
Thread | Forum | |||
My new scale... | Baking | |||
My new scale... | General Cooking | |||
My new scale... | Sourdough | |||
The Definitive Chord & Scale Bible - Literally EVERY chord and scale! | Vegan | |||
Tea Scale | Tea |