Hydrometer != Brix

My Hydrometer reads 1.000 in water. My Brix meter reads 0.00 in water.

Now, near the end of fermentation (only a few bubbles still rising), my Hydrometer reads about 1.000 and my Brix meter reads about 10!!!!!

What's going on?

I'm still rather new to wine making and I don't understand what this means.

Help!

Reply to
Barry
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When you say "Brix Meter" are you talking about a refractometer?? If so, the reading you are getting is quite normal. A refractometer is affected by the refractive index of any dissolved materials, including alcohol. The refractometer reading of 10 is simply picking up the affect of the alcohol.

CHEERS!

Aaron

Reply to
Aaron Puhala

I learned this the hard way, too...just see my "Stuck...a follow-up" post. My refractometer only read 6, but the hydrometer is less than 1.000.

-- ACEY

Reply to
Jonathan Acey Albert

Yes, the "Brix meter" is a Refractometer.

I liked how you can get a reading of sugar content (or so I thought) with only a drop or so of liquid. Drawing out enough must to be able to use a Hydrometer is kind of a pain and wasteful, unless you are making a lot of wine. Lots more surface area to try to keep clean too.

So... it sounds like value of taking a reading of the Brix gets less and less informative as sugar is converted. I guees the Brix to S.G./P.A. tables I've seen are only for the numbers I can get before I pitch the yeast.

That certainly changes things. Based on Brix readings I was thinking that fermentation had become stuck on this batch.

Thanks!

Reply to
Barry

Your "Brix meter" is only good for measuring the sugar level of juice. Once the fermentation takes off the alcohol renders it useless. That's when you start using your hydrometer.

Of course you should always use your palate for a sanity check. Eventually you might get good enough at it to dispense with all your instrumentation! :^)

Tom S

Reply to
Tom S

The refractometer is a great tool to take out into the vineyard to check the grapes before they are picked. It is fine for checking the sugar in juice to be used for making wine. It is not very good for checking the progress of fermentation as you are finding out. A hydrometer is better for this but it too has problems. Recently there were some posts where a correction equation has been worked out that corrects the reading as fermentation progresses so you can correct the refractometer reading to SG.

As far as using a hydrometer being a "pain and wasteful" .... I really do not find it very difficult to dip out a cup of juice and surely you do not throw it away! Just pour it back it. As far as keeping things clean, that is kind of a given. You have to clean the hydrometer jar and hydrometer and you have to clean what ever you get the drop out with to go in the refractometer. I just rinse the jar an hydrometer immediately after using, put the hydrometer back in the jar, add a little sulfite solution, seal it, and then rinse it again before use. All part of the art of making wine.

Ray

Reply to
Ray

Here's a link (you may have to copy and paste to your address bar) to one of the recent discussions about refractometers. Be sure to take a look at the post from David D near the end of the thread with the Valley Vintner link before you decide your refractometer is useless after fermentation begins.

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Reply to
Miker

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