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Wine Flaws

May 12 2023

Wine Fault Series: Oxidation

One of the wine faults I’ve been finding more frequently in commercial wines is the presence of oxidation. Truthfully, I find this most commonly in bottled white wines. However, a few times a year I’ve been tasked with the challenge to fix oxidized red wines that are still in tank or barrel. Thus, I thought […]

Written by Denise Gardner · Categorized: Blog · Tagged: Oxidation, Wine Analysis, Wine Faults, Wine Flaws

Apr 13 2023

Wine Fault Series: Volatile Acidity (VA)

Volatile acidity (commonly abbreviated as “VA”) is the concentration of accumulated volatile acids, or those acids that can be separated through distillation. In wine, acetic acid is the primary volatile acid. Acetic acid is also the primary acid associated with vinegar. This is why high VA is associated with the detection and potential perception of […]

Written by Denise Gardner · Categorized: Blog · Tagged: VA, Volatile Acidity, Wine Analysis, Wine Faults, Wine Flaws

Oct 14 2021

Did grape rot affect your wine vintage?

DG Winemaking Can Help! For many winegrowing regions, the vintage harvest season can leave winemakers in a state of distress or frustration. When the presence and proliferation of rot creeps into the vineyard during harvest season, there are a number of wine processing decisions that can influence the future of the wine’s quality. Most grape […]

Written by Denise Gardner · Categorized: Blog · Tagged: Harvest, Wine Faults, Wine Flaws, Wine Style

Apr 15 2021

The Free SO2 Bottling Dilemma

As bottling season is in full swing, I can see that many winemakers continue to struggle with free sulfur dioxide concentrations in their wines. That’s why, for the month of April, I’ve released a new Production Guide on handling free sulfur dioxide adjustments prior to bottling. This document supplements the Pre-Bottling Prep Checklists (Red, White, […]

Written by Denise Gardner · Categorized: Blog · Tagged: Bottling, Packaging, Sulfur Dioxide, Wine Faults, Wine Flaws

Feb 25 2021

3 Hot Winemaking Topics! An Update

Hello everyone! This month I’m checking in via an alternative media: a video! Some of you may recall I tried to do this in 2020, but obvious circumstances quickly changed my direction for the remainder of the year. So now I’m back! With a short new video talking about some changes coming for 2021, new […]

Written by Denise Gardner · Categorized: Blog · Tagged: Bottling, Cans, Packaging, Protein Stability, Wine Consulting, Wine Faults, Wine Flaws, Wine in Cans

Jul 30 2020

Four Virtual Winemaking Lessons You’ll Want Before Harvest!

For many of us, harvest is at the edge of beginning. As I am a firm believer in preparing for a successful harvest, I want to review a few tools available through dgwinemaking.com as à la carte purchases. Details for purchasing these lessons is at the bottom of this post. Creative Wine Styles for Hybrid […]

Written by Denise Gardner · Categorized: Blog, Darn Good Winemakers · Tagged: Darn Good Winemakers, Fermentation, Harvest, Hybrid, Wine Education, Wine Flaws, Winery Sanitation

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