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Wine Wizard

Topic: Winemaking Science

Trying to Work With Grape Juice That is Amiss

Well, your grape or juice source really put you in a bind. Those are some of the most unbalanced initial numbers I’ve ever seen, and I would seriously consider getting your juice


pH Reanalysis

The answer to your question depends on the size of your batch. The bigger your batch, especially if it’s must all mixed together with juice and skins, you need to mix quite


Calculating ABV

This is a great question. Luckily the answer is simple. You still only calculate potential alcohol based on the original Brix reading. “Negative Brixes,” or when the density of your fermented solution


The Facts About Wine Headaches

I’ve seen a few of these kinds of articles (ahem, I mean advertisements) floating around on the internet and it always results in an epic Wine Wizard “facepalm” upon reading. For starters,


Dealing With A Copper Problem

That’s too bad that you added more copper sulfate than you intended to. Copper is an effective, legal, and ancient (the Romans knew about its curative powers in winemaking) tool for reducing


Calculating Residual Sugar

That’s certainly an interesting question and one for which the short answer is “no such equation exists.” The longer answer attempts to help explain why, even though you think you should have


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


What is your opinion of enzymes added to wine to improve color, mouthfeel, and flavor?

Lallzyme EX is a blend of enzymes that helps break down the plant cells in grapes. This mix of pectinase, cellulase and hemicellulase is introduced at the crusher or right at the