Topic: Troubleshooting

See my response here regarding general information about stuck and sluggish fermentations. Your wine is a lot closer to dryness (essentially 0 °Brix) than the previous reader’s sweetest lot, so I don’t

As you’ve probably read in my columns and in the Winemaker’s Answer Book, though I like to “let wine be what it will be,” when it comes to potentially toxic things like

Since I don’t know what your “recommended” number was it’s impossible for me to know what a double addition is in this case. Therefore, you should definitely exercise caution before drinking and

I have to commiserate with you on the Sangiovese and oxidation dance. For some reason, this grape varietal seems to be especially prone to color (and related oxidation) issues. Much like Pinot

The dreaded “ring around the carboy” strikes again! Quickie answer – your instincts are correct. I would rack to clean containers and, since you’ve already added SO2, and since I doubt your

You say you have a Syrah that is not purple, and how do you know it’s Syrah? To address your second question first, I would say you really have to trust your

I wish I could help you out with your off-odor issue a little bit more than I think I’ll be able to. Because you didn’t include many details about what your off

From modern wine chemistry labs to your home winery — what is known about tannins and how can winemakers control their impact on their wine? Research is debunking many widely-held beliefs about

I am making wine from my own grapes in Alpine, California and have noticed that occasionally a light film forms on the inside of some bottles. I am very meticulous about keeping

Short answer (and it might work if your volatile acidity (VA) level is low enough, say, under 0.55 g/L, depending on your sensory threshold) is to bump up your free SO2 and

Testing troubles I’ve been frustrated with the use of Clinitest tablets for measuring the end point or final dryness in my homemade wine and have been wondering and reading about the use

Visual MLF? I’ve got about 5 gallons of Baco Noir that just finished fermentation. I live in the Finger Lakes region of New York and I understand that both the region and

Spring and summer are ideal times for yeast and bacteria, who may have been mid-ferment when cold winter weather hit, to wake up after a long sleep and begin partying again! I’m

What’s with the fizz? I bottled an Amarone from juice about six months ago. I have been trying it every couple of months to see how it is coming along. I opened

A Word From the Publisher And the Wine Wizard is……. “When will my fermentation stop?” “Why did my fermentation stop?” One thing I can count on as publisher of WineMaker magazine is

It’s as much a process as it is a condition. It’s also a perfectly natural part of the fermenting process. It can happen at any time and depending on when and how

Norton is a fun variety of red wine to make and certainly is a big favorite in the Midwest. I’ve tried some good Nortons over the years and I can share your

Though making fruit-based wine is a little different from making grape-based wine, you always want to make sure you’ve got enough sugar, acid, tannin and aromatic and flavor compounds to result in

Dear Wine Wizard, How do I get copper sulfate in accurate diluted food grade form? I would like to treat 5 gallons (19 L) of stinky fruit wine to get rid of

Dear Wine Wizard, I made a Muscadine wine this year that ended up very dry with harsh flavor. I wanted it to have more of a grape flavor so I added some

Positive effects of oxidation? How can that be? Winemakers know that oxygen negatively affects wine and they process wine with the utmost care to prevent oxidation. Two common winemaking practices that have

Dear Wine Wizard, I have been making red Zinfandel wine at home with juice concentrate. I‘ve noticed crystals forming inside and they stick to the bottle. When you shake the bottle they

My condolences on experiencing your first visitation by the ever present, but never welcome, Drosophila melanogaster — more commonly known as the common fruit fly. These prolific and pesky little airborne bugs

More experienced winemakers than yourself have spent eons trying to ponder the conundrum of a stuck fermentation. If you wanted the wine to be dry and it ended up sweet, it means

Winter is a good time to take a critical look at your cellar techniques. With a nod to the new year and its requisite resolutions, we asked two professional winemakers to discuss