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Old 09-15-2012, 05:06 PM   #1
steelersrbrun
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Default Water fer' dummies

Have a recipe where I want my calcium at or just above 100ppm and a PH of 5.4. My water will be RO. I'm going to add gypsum to the mash to add calcium and I have my volumes and weights figured out. My question is on my PH of 5.4. I assume I have to mash in first, then take my PH reading and then make adjustments with phosphoric etc? Or is my understanding of this really off.

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Old 09-15-2012, 05:56 PM   #2
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No, that's essentially correct. You can, if you wish, do the pH check with a small portion of the grist before you actually brew. That way if you find adjustment needed you will be ready for it.

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Old 09-16-2012, 12:13 AM   #3
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Quote:
Originally Posted by ajdelange
No, that's essentially correct. You can, if you wish, do the pH check with a small portion of the grist before you actually brew. That way if you find adjustment needed you will be ready for it.
Thanks! You mean just make a super small batch with the same grain % and water?
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Old 09-16-2012, 12:26 AM   #5
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Quote:
Originally Posted by Yooper
I was wondering- why do you want your calcium at 100 ppm?
That's what Brynildson has for his union jack recipe. Can't get it in FL so I will try to brew it right....I hope;-)
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Old 09-16-2012, 12:47 AM   #6
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Originally Posted by steelersrbrun View Post
Thanks! You mean just make a super small batch with the same grain % and water?
Yes, exactly.
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Old 09-16-2012, 12:53 AM   #7
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Quote:
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Yes, exactly.
Great idea....brew day will be hectic enough as this will be my first batch with major water chemistry and an infusion step mash. Will try the mini batch soon....thanks for the help.
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Old 09-17-2012, 03:21 PM   #8
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Quote:
Originally Posted by Yooper View Post
I was wondering- why do you want your calcium at 100 ppm?
Isn't it supposed to be around 50 on average? I understand trying to get it right for a particular recipe though.
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