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W15 Dry Wine Yeast

W15 Dry Wine Yeast

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Description

A fructophile for clean, low temperature ferments. W15 was isolated in 1991 from high quality Muller Thurgau must originating in the vineyards at the Viticulture Research Station in Wadenswil, Switzerland. W15 was developed to ferment dry whites at moderate speeds where bright fruit and heavy mouthfeel are desired. This yeast does just that, and it does so while respecting the varietal characteristics of the fruit. W15 can also be used to ferment high quality, fruit focused, light red wines from Pinot Noir and cool-climate Syrah. Short lag pahse, moderate rate fermenter at temperature ranges between 50 to 81 degrees F. Alcohol tolerant to 16%. W15 produces higher levels of glycerol and succinic acid especially at higher fermentation temperatures (above 77 degrees F).

Click here for a PDF of the MoreWine Manual on re-hydrating wine yeast.

Click here for a PDF of the MoreWine Yeast and Grape Pairing Guide.

Community Q&A

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Description of finished wine
Valued C on Sep 25, 2020
low temp fermenter
Charles P on Sep 16, 2020
Description of finished wine
Valued C on Sep 25, 2020
Comparing to D21 for trad mead
Jim E on Sep 25, 2020
low temp fermenter
Charles P on Sep 16, 2020
Trying this with awhite wine
Robert A. r on Aug 27, 2020
Pinot Noir
Richard H on Aug 27, 2020
Try out
Luis H on Aug 20, 2020
FOR MAKE ROSE WINE
ALBERTO FLORES G on Aug 13, 2020
Rose
Bryan D on Jun 23, 2020
I want to ferment in 50° fridge
Robert A on Apr 11, 2020
Used it before
Paolo S on Dec 17, 2019
Terrific yeast for Riesling- have had great results
Ira K on Oct 9, 2019
Go to white yeast
Thomas H on Sep 27, 2019
used pdf wine pairing
Louis B on Aug 28, 2019
peach wine
Randal W on Aug 28, 2019
For mead
Shaun on Jun 8, 2019
Looking for a good riesling yeast
Donald L on Jun 6, 2019
Trying something new.
Peter F on Jan 29, 2019
Using it to ferment Vidal grapes
Jonathan M on Sep 21, 2018
liked
Maricor S on Aug 16, 2018
For cider yeast trials based on Scott’s Lab documents on characteristic
David M on Aug 8, 2018
yeast pairing guide
Webb G on Aug 1, 2018
Trying something new for mead.
Rey on Jun 26, 2018
dandelion wine
Frank on May 29, 2018
Brings out a spicy fruit in whites like the Gewerstiminer
James B on Mar 20, 2018
Comparing to D21 for trad mead
Jim E on Sep 25, 2020
Trying this with awhite wine
Robert A. r on Aug 27, 2020
Reviews

5.0 / 5.0
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Great for Sauv Blanc
I used this with the Vintner's Reserve Sauv Blanc instead of the yeast that comes with the kit. At bottling, the wine was crystal clear, dry, with mild grassy notes similar to New Zealand SBs. I am not certain how much of this flavor is from the yeast and how much from the concentrate, but it was delicious. Easily as good as $10-15 wines. I hope this flavor remains once I start opening bottles. If I remember, I will post an updated review.
May 24, 2020
Purchased
over 2 years ago