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Wine Wizard

Sanitation Sanity: How often should wine equipment be sanitized?

It is absolutely critical to have good winery sanitation as dirty equipment does nothing but invite bad-guy bacteria and unwanted yeast beasties to munch on our wine. However — there is a


What is the best way to store plastic fermentation tubs and keep them clean?

You’re on the right track — it’s not a good idea to mix chlorine bleach with winemaking because free chlorine molecules can, if the conditions are right, contribute to appreciable levels of


How long should I age wines made from fruit other than grapes?

The most general guidelines the Wine Wiz can give you for aging wines from fruits, vegetables and herbs are these: Always cellar any wine at least six months before opening the first


When using oak cubes in a recipe from concentrate, at what stage in the process should they be added?

Ah, the timeless pairing of American oak and Zinfandel. It’s a taste combination that’s got more than 100 years of history in U.S. winemaking and if the number of Zin labels that


How do you prepare ahead for topping up your barrels with wine? Do you set aside wine in a carboy to use later in the barrels?

Dear Wine Wizard, I am a novice home winemaker and have been contemplating making the move from carboy and bottle-aging to barrel-aging some of my reds. It is my understanding that a


Bulk vs. Bottle Aging

For those of our fellow grape nuts who don’t know, bulk aging refers to aging wines in vessels other than the final bottle whereas bottle aging refers to wines aged in their


I noticed an oily film on top of my Norton before I racked it. What should I be worried about and how do I fix it?

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


I think I might have ruined 350 bottles of my Merlot when I stored it in a wine locker and the odor and taste changed. What do you think happened?

It’s hard to say “what went wrong” in this situation as the life of every wine is a fog of carefully guarded secrets that even my scrying glass can’t penetrate. However, the


Do you know anyone who has used non-fermentable sweeteners like stevia for adjusting a wine post-fermentation?

Wine Wizard replies: Indeed, stevia (Stevia rebaudiana) is a natural sugar substitute and one that is gaining in popularity with home winemakers. I have certainly heard of people using it with great


Is there any way to save a flat and watery wine I made?

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


I made some wine using coffee as an ingredient and I was wondering what happens to the caffeine during fermentation?

Coffee wine, eh? I’ve heard of using strong black tea as a tannin additive and of using coffee in brewing recipes for a super-charged stout but I’ve never heard of making coffee


Could you provide me some ideas on an easy and cost effective way to properly frame a stand for my barrels?

Congrats on embarking on the ever-fascinating and (just as often) maddening adventure of using oak in home winemaking! You’ve discovered what many of your predecessors already have — that it is sometimes


I made 15 gallons (57 L) of wine in my basement and it won’t finish fermenting. Help!

Dear Wine Wizard, I made 15 gallons (57 L) of wine in my basement and it won’t finish fermenting. Now I am left with a wine that is carbonated, which I do


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 the rotton sewer smell.

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


How do you sterile filter your wine?

The short answer to your question is: 0.45 micron nominal filter pads are the industry standard for “sterile” filtration. These pads prevent all yeast and bacteria from getting through. So, if you


I made a mead that has a sour taste. Will this mellow out with age?

Congratulations for tackling one of the most interesting and esoteric of brews, the braggot (also spelled braggott or bragawd). A beverage that combines what some would say the best of what mead


Where can an amateur buy a larger sized cork for a 3-liter bottle?

Like you, many commercial wineries also feel that big bottles make great gifts. One can often see what the industry calls “large formats” displayed in restaurants that have done exceptionally well selling


Are there basic rules when it comes to choosing bottle color and shape for different styles of wines?

Dear Wine Wizard, I bottle my wine in recycled bottles and give much of it away. A friend who is on the receiving end is critical of my choice in color type


I added grape concentrate to boost the sweetness of a dry wine at bottling and added sorbate. The flavor is good, but there is some kind of gas in the wine. Any thoughts on what happened?

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


Is it possible for a plastic fermenter to impact the effectiveness of isinglass as a fining agent?

Dear Wine Wizard, I used isinglass as a clarifier in my Viognier. I have it in a 55-gallon plastic food-grade barrel. It started to settle out some of the particles but never


I’ve noticed crystals forming inside my Zinfandel bottles. Do you have an explanation?

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


Can you use a spare refrigerator on a low setting to store red wines?

Certainly, do put that extra fridge to good use and by all means store some of your collection in it! Extra refrigeration is a boon to just about any winemaker, wine collector,


Can Lambrusco wine be refrigerated for several months and then safely kept on a wine rack?

Dear Wine Wizard, Can Lambrusco wine be refrigerated for several months and then safely kept on a wine rack? What is the expiration time frame for this wine? Jeanne Considine Boulder, Colorado


Is it possible for the potassium metabisulfite powder I use for sanitizing to lose its strength over time?

You’re right to suspect that both the potassium metabisulfite powder and solution can lose their power over time. The solution, which you make by mixing the powder with water, is particularly unstable.


Why does red wine give me a headache, but white wine doesn’t (assuming I haven’t had too much of either)?

The “red wine headache” is one of those wine questions that lies somewhere between legend and reality. However, there are some real answers. I’ll lay them out and you can decide for