Topic: Troubleshooting

A. Ah, the joys (and occasional shocks) of rediscovering long-forgotten bottles! Your 1984 Australian Cabernet, now ghostly pale with all its color settled at the bottom, is a fascinating case study in

Sounds like you’ve been bottle shocked! That, and you are experiencing some post-bottling sedimentation. You’re not alone in this, my fellow winemaker. Many a vintner, professional and amateur alike, has been surprised

The Wine Wiz offers her wizdom to bring a tart wine into balance, as well as ways to add body to a wine and why non-alcoholic wine production should be left to the pros.

While there are a lot of urban myths surrounding winemaking, the one about racking under a full moon isn’t totally hogwash. Plus, what to do when your wine begins turning to vinegar, the specific gravity of a “dry” wine, and tips for making wonderful white wines.

The quick and dirty answer to your question, and quite possibly not the one you want to hear, is that you’re best off dumping your vinegar bottles of wine down the drain.

There’s the old saw about the sow’s ear and the silk purse. It reminds me of my old adage of “never blend a loser,” which admonishes readers against blending bad wine into

There is a great summary of what mycoderma is and ways to deal with it written by Daniel Pambianchi at www.techniquesinhomewinemaking.com/white-surface-film. Folks can check out that blog post for a deep dive,

Making small adjustments to a wine the moment they are needed, as opposed to one large adjustment prior to bottling, will result in a more cohesive wine. A couple of award-winning home winemakers share when you should assess your wine and what to look for.

It is both a spoilage yeast and the heart of many great wines of Bordeaux. We share what you need to understand about Brettanomyces, the common misconceptions, and methods to tame this wild yeast.

Ah, the glory and heartbreak that are citrus fruits in winemaking. So many aromas! So many bright flavors! So much acid! And so many potential bitter compounds.  This is where a good

Winemakers always need to pay special attention to the possibility of rising volatile acidity and ways to stem its effects.

Ah, blueberry wine! Blueberries, huckleberries, and black currants are all favorites when it comes to home winemaking, partly because they can make dark, mouth-filling wines that can resemble the finest red wines

It sounds like you’re doing a lot of things right, especially being that your grape wine has taken off, but your plum wine is just plum tuckered out.  Seems like you’ve got

Phil Plummer was one of the experienced judges at the 2022 WineMaker International Amateur Wine Competition. After three days of judging he found himself repeating similar comments on numerous entry sheets. Now he’s here to explain in greater depth the most common flaws he tasted and the techniques that can be employed to avoid them in your next vintage.

Tannins are a big piece of the large puzzle when balancing many styles of wine. It’s important to understand ways to increase or decrease their presence when that balance leans too heavily in one direction or the other.

Well, it’s tough to say what would make one cloudy and the other clear, except for the fact that they may not have been identical coming from your fermenters. If you did

Since you can’t measure your free and total SO₂, let’s do some numbers to see what kind of a potential problem you might be facing. First off, let’s talk about your bottle-rinsing

No matter how much attention we give a wine, sometimes it will disappoint when tasted for the first time during aging. It may not be faulted, just lacking a desired characteristic. That’s when it is time to intervene. Qualities like flavor, aroma, body, color, or even tannins can all be improved with a little help.

Ah yes, the classic “I sunk a bunch of pennies in my carboy” tale. Forgetting for a moment that modern pennies contain very little copper, there’s a reason that most winemakers I

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

Ah yes, Monday morning quarterbacking is always tough when it comes to wine. Adding a complex yeast nutrient (a mix of nitrogen, amino acids, and other micronutrients) is something I do with

A home winemaker details the four bench trials he conducted to adjust the acidity of a low-pH Sauvignon Blanc to show how the process is done and share the impact each approach had on the wine.

Feedback is one of the quintessential parts of growing and learning in this hobby. There are many avenues a hobby grape grower and winemaker can take for evaluation and advice, so make sure that you’re looking in the right spots.

A fermentation is “stuck” when it fails to reach the desired conversion level of sugar, usually coming to a halt somewhere below 10 °Brix. It does not refer to a failure to start,

A look at the causes and corrections winemakers can make for some of the less common, but still serious, winemaking faults.