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accuracy of hydrometer vs. refractometer???

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Lee

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Sep 28, 2009, 8:50:14 AM9/28/09
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Whenever I get a new batch of grapes, I obviously analyze immediately
after crush. But, the hydrometer brix readings are always about 1-2
points above the refractometer, probably due to the solids suspended
in the must. Is it legitimate to accept the refractometer readings as
accurate?

doub...@hotmail.com

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Sep 28, 2009, 9:26:27 AM9/28/09
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What does the hydrometer read in distilled water? That may give you an
answer. Also , the juice needs to be cleared of solids for the
hydometer too.

Lee

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Sep 28, 2009, 9:38:49 PM9/28/09
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> > accurate?- Hide quoted text -
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> - Show quoted text -

How would you clear a freshly crushed must of solids? It's not like
you can filter it. Putting it through a strainer is about as good as
I can get, but even then, there are huge amounts of "solids", which
prevent the hydrometer from floating freely.

Luc Volders

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Sep 29, 2009, 12:11:39 AM9/29/09
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Filter it through a coffee filter.
That should be enough to get a fair accurate reading.

Luc

Lee wrote:

--
http://www.wijnmaker.blogspot.com/

bo...@comcast.net

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Oct 2, 2009, 7:48:45 PM10/2/09
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> --http://www.wijnmaker.blogspot.com/- Hide quoted text -

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From what I understand, have read, and from personal experience your
refractometer will always be more accurate during this stage
especially since there are so many solids in the must.

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