So a couple days ago we racked 12 gallons of Chardonnay, 10 gallons of Pinot Noir and 12 gallons of our Pinot Rose. Tasting notes were made comparing both the cold and warm fermentation techniques. Also, a decision was made in my internal struggle over whether not to do warm or cold ferments.
Chardonnay
Lets start off with the Chardonnay. A few weeks ago I performed another chromography test and ML seemed incomplete still so I think I have a stalled out MLF. I then tested the acid and saw that the TA was around .9 and the PH was around 3.3 ( best I could see with a cheap PH strip). Thus, I believe the reason why it stalled out was the acid being too harsh. To counter this I set the chardonnay in the freezer at 27 degrees for a few weeks and let some acid crystals drop out. On racking and tasting day I added 3 tsp of Potassium Carbonate to each of the 6 gallons Chardonnay carboys ( would have added more if I had more) to try and lower the TA by hopefully .1 points and possibly raise the PH up some more. When I get back from the summer I will recheck the PH and TA again to see how it is doing. I am hoping ML will kick back up.
Cold
Aroma
Fruity
Slight oaky backbone
Slight creaminess
Taste
Fruity
Oaky
Very acidic
Not very creamy
Not too tanic
not a very full mouthfeel
Warm
Aroma
Creamy
Roast coffee
Possible very slight sulfer (not much to worry about could just be wood)
Taste
Oaky
Smokey
Very acidic
Creamy after taste
Kind of interesting slightly roastyness
Pinot Rose
Also including an update of my Pinot Rose which was made by taking the used pinot noir skins from the fermentations and adding honey instead of water to make a second running. The Pinot Rose was cold fermented to express the fruity aroma of the grapes and floral character of the honey.
Even though it is off balance right now I still have a lot of hope for it. It seems to me the difference between making good wine and great wine is mostly in the fine tuning you do at the end.
Aroma
Smokey
Not Very Floral
Clear honey scent but not really a floral one. Think sort of a fresh hot honey smell. This is not an extremely strong scent but it is there.
Unsweet perfume ( GF says it reminds her of odile)
Taste
Fruity
Tanic
Slightly too acidic for the flavour profile that I am after but I will give it more time before I go messing around with it. Possible solutions include the addition of a base or possibly making the rose slightly sweet.
Candy Like. Most likely a result of the acid being out of place combined with the honey flavours and fruity stuff from the grape skins.
Pinot Noir
This is perhaps the wine I look forward to the most. A battle of cold vs hot fermentation. After 7 months of waiting and aging I think I have finally figured out which one I like...... BOTH. After tasting both of the pinot noirs separately and taking notes on them we blended the cold and warm together in a tasting glass and we liked what happened. After these guys age for another year we intend on blending them prior to bottling to produce a hopefully very complex wine.
The colour of the cold fermented wine was a very nice ruby colour which was lighter than most of the pinot noirs I have seen. However, the warm fermented one was a nice garnet colour. The blended result also had a nice garnet colour.
Cold
Aroma
Fresh dark berry
Oaky
Less smokey than hot counterpart
Taste
Creamy
Berry forward
Low mouthfeel
Not very complex
Warm
Aroma
Smokey
Light dark berry (dried berry)
Oaky
Taste
Tannic
Woody
Smokey
Not fruit forward
Not really creamy
Blended
Aroma
Fresh Dark Fruit
Oaky
Smokey
Taste
Fruity
Oaky
Creamy
Smokey
Nice mouthfeel and appropriate tannins
So all in all, in the future I will do side by side warm and cold ferments with the intention of blending them together to create a more complex wine. It seems to me that the cold fermentation can create very nice fruity characteristics and preserve the character of the grapes that you ferment. While on the other hand, doing warm fermenations does a great job of extracting tannins which are needed to have a structured wine and a good mouth feel.
From the blending test we did we found that the blended result does not really take away from either wine but it seems to layer the flavours together to create a wine that is more complex than the original wines.