Writer: Alison Crowe

446 result(s).

Malolactic Fermentation After Cold Stabilizing

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I always think it’s wonderful when people can do a “natural” cold stabilization over the winter months. It’s an incredibly intuitive and very old-fashioned, non-interventionist way to accomplish a key winemaking task.

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Adding Sorbate After MLF

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Winemakers typically add sorbate (aka sorbic acid, often purchased as potassium sorbate) when they want to bottle a wine with a little residual sugar. It is often added right before backsweetening and

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Volatile Acidity Fixes

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A Sadly, blending VA levels downward remains the only option available for reducing VA content in small lots. Larger commercial wineries, with big lots and bigger pocketbooks, can afford the expense of

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Oxygen Ingression

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Don’t worry, it’s happened to the best of us! If you can, check your pH and your VA (volatile acidity) to try to get a handle on whether or not this air

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Oxygen Ingression, Volatile Acidity Interventions, Sorbate Question, and Malolactic Timing

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Sometimes we get several questions that revolve around a similar theme. The Wine Wizard had several questions this go-round on volatile acidity and malolactic fermentation. She provides some specifics for winemakers who have bigger picture problems on their hands.

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Egg White Fining and Overoaking

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Using egg whites Q I’m making a white wine and want to add egg white to help with the fining before my last racking. Is there any information on how to do

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Reducing Oak Flavor In Wine

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I’m so pleased you’ve done some oak trials! If you’ve read my column over the years you know that I’m always advising our intrepid readers to do small-scale trials (sometimes I call

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Is Oak Sanitation Necessary?

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I never boil or rinse my chips because, you’re right, that’ll strip them of the valuable flavor and aroma right off the bat. The one thing you need to do first, either

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Recommended First SO2 Addition

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Thanks, Bob, for joining fellow columnists and me for our first ever virtual WineMaker Harvest Boot Camp this past September! This question didn’t get answered in my Q&A session held at the

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Free SO2, Bottle Drop, First SO2 Addition, and Oak Sanitation

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A winemaker asks for some pointers on when to test for sulfite on their wines using their new sulfite testing kit. Also, learn about curing wine plating, basic equipment required for a winemaker making the jump from kits to fresh grapes, and preparing oak for wine.

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Wine Bottle Deposits

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I’ll assume you’re going to do red (not rosé) — that’s the easiest for small-volume winemaking. I’ll also assume you’ll hand-destem, so you really don’t need a de-stemmer. Just get out as

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Testing For Free SO2

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Good for you for investing in a way to track your free SO2 (FSO2) levels. It’s one of the most important ways we can keep our wines safe. You can buy something

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Fermenting Anything & Pectic Enzymes: Wine Wizard

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Q Though most of us think “grapes” when we think wine, I live in Michigan and can’t help but notice that wineries out here make wine out of a lot of other

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Freezing Grapes

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Goodness, I’ve never answered two questions at the same time before! I decided to put the two of you together since your questions were so similar. There are some things that apply

Curing A Stuck Fermentation

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Yes, sluggish and stuck fermentations are one of the most common, persistent, and frustrating issues that winemakers encounter. They happen for so many reasons, and possibly for a combination of so many

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Vineyard Planning, Varnish on Mini Barrels, Macerating Skin Packs, and Degassing Wine

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A proud new owner of a sulfite test kit wants to know how often to test. The Wizard also answers questions on backyard vineyard planning, urethane coating on an oak barrel, extended maceration on a kit’s skin packet, and degassing wines.

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Degassing Wine

FREE

As you know, the fermentation process (both the initial fermentation turning sugar into ethanol and the secondary malolactic fermentation) produces quite a lot of carbon dioxide gas. The majority of this escapes

Macerating Skin Packs

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Ah, kits are getting so clever these days! I would say it all depends on the quality of what you feel, taste, see, and smell for the material that comes in your

Varnish on Mini Barrels

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Well, I suppose you could sand the varnish off if you didn’t like it very much . . . but, realistically, I don’t think it’ll affect the wine that much. If you’ve

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Vineyard Planning

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That is so great to hear that you’ll be planting a vineyard. Welcome to the great Sonoma County viticulture adventure! My company has vineyards in Sonoma too and I’ve been making wine

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Live Chat with Alison Crowe

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Live Chat with Alison Crowe, which took place on July 16, 2020.

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Adding Acid to Sanitize, Sparkling Situation: Wine Wizard

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The second and perhaps the most important reason is that if you’re doing your final rinsing with an acid blend that contains malic acid, you’re potentially releasing a food source for various bacteria into your equipment and into your cellar’s environment (like drains).

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Quality Control

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In deciding to bottle, age or toss this batch, I suggest you spend some quality time with your barrel. Though you’re just past the usual bottling window (typical aging time for premium

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Yeast-free wine and quality control: Wine Wizard

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The good news is that most wines that you can buy off the supermarket shelf don’t contain a lot of yeast cells; if they did, the wines would look cloudy and might even re-ferment in the bottle.

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Chlorine Conundrum & Country Wines: Wine Wizard

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I never use any chlorine-containing cleaning compounds in my winemaking and don’t recommend it to anyone. There are plenty of alternatives for cleaning, one of my favorites being sodium percarbonate.

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