Direct causes of hydrogen sulfide and “reduced” sulfur-based off-odors is still a bit unclear. While basic wine production techniques decrease the risk of this wine flaw, many winemakers experience the incidence of this flaw several times over the course of their career. Hydrogen sulfide, commonly referred to as H2S, is usually correlated with inadequate nutrient […]
Producing Quality Red Wines with Unripe Fruit
When a vintage goes less than planned, it can often produce hardship in producing high quality red wine. There are several issues that are concerning with regards to red wines: Lack of color intensity Excessive astringency or bitterness High acid (sourness) Lack of alcohol Incidence of green flavors, many that may smell like “green bell […]
Crafting Formula Wines with Intention
I would consider any wine product that requires formula approval by the TTB a “formula wine.” Many wines that include flavoring and/or coloring additions require formula approval by the TTB in order to receive a Certificate of Label Approval (COLA) for that product. Common examples of formulated wines include pre-packaged or pre-bottled: Sangria [Mulled] Spiced […]
Winemaking Strategies for Rainy Vintages: Remembering 2011 and Preparing for 2018
With Hurricane Florence threatening most of the Eastern seaboard and Mid-Atlantic, I think it’s an important time to take a moment and communicate a practical plan for your winery staff. There’s a few days left to get organized, and not a moment to waste. Remember that keeping your family, employees, and families safe is the […]
Harvest Must-Haves: Having the Right Plan Can Set You Ahead of the Winemaking Curve
Planning, though time consuming, can be your best friend during the hectic harvest season. Taking the appropriate action steps to think through your winemaking production process is a game changer. As head winemaker or general manager, writing down and documenting your winemaking process for cellar employees can Improve your management practices Enhance communication Get everyone […]
YAN… to the Rescue!
It’s impossible to talk about the pending harvest without talking about YAN. Every year, I run into winemakers asking me what nutrient additions to make when they do not know their starting YAN, or yeast assimilable nitrogen (aka yeast available nitrogen). Not knowing the must’s YAN concentration when treating fermentation with nutrient supplements is equivalent […]
