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Author Topic: calcium chloride  (Read 2042 times)

Offline hospter81

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calcium chloride
« on: March 03, 2013, 04:48:33 pm »
Hello...a technical question for you guys...is there a real difference if i am using calcium chloride anhydride for adjusting my water salts instead of using calcium chloride dihydrated?

Thanks!

Offline a10t2

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Re: calcium chloride
« Reply #1 on: March 03, 2013, 06:34:00 pm »
If it's truly anhydrous, you'd use 75% as much by mass as if you were using the dihydride.
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Offline hospter81

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Re: calcium chloride
« Reply #2 on: March 03, 2013, 06:45:56 pm »
so it does not represent a big issue in using either anhydrous or dihydride? for example, what does brun's spreadsheet consider?

Offline mabrungard

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Re: calcium chloride
« Reply #3 on: March 03, 2013, 08:01:18 pm »
so it does not represent a big issue in using either anhydrous or dihydride? for example, what does brun's spreadsheet consider?

It assumes the dihydride version.  Anhydrous is tough to keep 'anhydrous' since its highly hygroscopic.  It will suck moisture out of the air quickly.  The dihydride will too, only a little less vigorously.  Dihydride is the typical version you can get at the LHBS.
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Online hopfenundmalz

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Re: calcium chloride
« Reply #4 on: March 04, 2013, 06:30:07 am »
so it does not represent a big issue in using either anhydrous or dihydride? for example, what does brun's spreadsheet consider?

It assumes the dihydride version.  Anhydrous is tough to keep 'anhydrous' since its highly hygroscopic.  It will suck moisture out of the air quickly.  The dihydride will too, only a little less vigorously.  Dihydride is the typical version you can get at the LHBS.

What is the assumption on Epsom salts? I assume it is MgSO4ยท7H2O.

Just curious.
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Offline Kaiser

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Re: calcium chloride
« Reply #5 on: March 04, 2013, 09:17:41 am »
From what I know most brewing water calculators use the hydration forms of the salts as shown next to the salt name here: http://www.brewersfriend.com/mash-chemistry-and-brewing-water-calculator/#section_SaltAdditions

Kai

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Re: calcium chloride
« Reply #6 on: March 04, 2013, 10:44:45 am »
Thanks Kai and Martin. Curiosity is satisfied by the answers.
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