proofing the mash. Got a problem.

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Safegyde
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proofing the mash. Got a problem.

Post by Safegyde » Fri Feb 15, 2008 8:32 am

Ok guys, I have a little conundrum here. On a previous wash I used a Tralle/proofer and it registered at 8% abv (16 proof). On the wash I have going now I tested it and it is below 0. So that would mean that according to the proofer it has less alcohol than water. :? That doesn't sound right. The proofer is working fine, I tested it on water and alcohol. The wash tastes like it has a good amount of alcohol in it, not sweet anymore either. So I want to know what is up with that?

1. Does the unsettled yeast affect the buoyancy of the proofer? If not then what is it?

2. Since it doesn't taste sweet anymore, but it is still bubbling, can I go ahead and run it or should I wait for fermentation to completely stop?

Thanks for your help on this shiners.
Shine on you crazy diamonds!!

theholymackerel
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Post by theholymackerel » Fri Feb 15, 2008 9:14 am

A hydrometer will tell ya the %ABV through the difference in the first readin' (SG) and the final readin' (FG)... the difference between the two readin's in yer mash/wash will give ya yer %ABV.

PS: Wait till the ferment stops to get yer FG... the bubbles will stick to yer hydrometer and mess up the readin'.

Safegyde
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Post by Safegyde » Fri Feb 15, 2008 9:28 am

So a hydrometer is a different instrument than a proofer? I thought you just did some math to get the specific gravity.

So why did the other wash read 8% abv on the proofer and this one is reading below 0?

:?
Shine on you crazy diamonds!!

theholymackerel
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Post by theholymackerel » Fri Feb 15, 2008 9:30 am

Here is a short essay on how to use a hydrometer:

http://www.grapestompers.com/articles/h ... er_use.htm" onclick="window.open(this.href);return false;" rel="nofollow






I wish ya luck.

wineo
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Post by wineo » Fri Feb 15, 2008 2:13 pm

The proof and tralles hydrometer is used on distilled spirits.If you try to get a reading on a wash,mash or wine,The sugars that are left in it,and other stuff,make it give you a false reading.

Old_Blue
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Post by Old_Blue » Fri Feb 15, 2008 2:58 pm

So a hydrometer is a different instrument than a proofer?
They are the same instrument because they both report specific gravity, just read a different range. What is normally called a "hydrometer" in beer and wine making (read: wash) basically gives you potential alcohol and/or sugar content for the purposes brewers use it for.

A Proof and Traille is a "hydrometer" that can tell you % ETOH.

You need both.

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zymos
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Post by zymos » Fri Feb 15, 2008 4:34 pm

Seems like you should be able to convert from one to the other though, like:

SG .900 = 55% EtOH , or something (just making up numbers for an example). Unless the scales don't overlap at the higher alcohol percentages we use around here.

Guess I could just go figure it out-I have both instruments and some booze...

Dnderhead
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Post by Dnderhead » Fri Feb 15, 2008 5:01 pm

cant be dun a spirit hydrometer will float like a Cork in low wines
and a wine-beer hydrometer will sink like a rock in high proof

theholymackerel
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Post by theholymackerel » Sat Feb 16, 2008 8:59 am

Dunderhead is right. They are two seperate instruments.

Safegyde
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Post by Safegyde » Sat Feb 16, 2008 9:07 am

Do any of you still have residual bubbling in the mash when you distill? Mine is going over two weeks now, it tastes dry and not sweet at all yet it is still bubbling a little. Would it be ok to just go ahead and run it??
Shine on you crazy diamonds!!

Old_Blue
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Post by Old_Blue » Sat Feb 16, 2008 9:27 am

Thats dissolved co2 coming out. Its fine.
Fire is the devil’s only friend - Don McLean
Jump in where you can and hang on - Brisco Darling

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Husker
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Post by Husker » Sat Feb 16, 2008 11:23 am

You can stir your mash, and most of that disolved gas will leave (or shake it :)

H.

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