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Home Brew Forums > Home Brewing Beer > All Grain & Partial Mash Brewing > Partial Mash - Ph of City Water OK
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Old 01-22-2010, 09:36 PM   #1
dficker
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Default Partial Mash - Ph of City Water OK

Here is the WQ report from my water supplier (Butler County OH - BCDES) ---From the Website, not a sample at my house----

Total Chlorine---- 0.74 mg/l
pH---------------9.1 S.U.
Fluoride----------0.98 mg/l
Total Alkalinity--- 64.3 mg/l n
Total Hardness---135 mg/l (7.8 gpg)
Sodium---------- 30.5 mg/l

I plan to do a Partial Mash (AHS Karankawa Pale Ale).I understand the mash needs to be in the 5.0-5.5 range, is my Ph range OK?

Any other 'fatal flaws' in that limited data?

An aside, can you get Ph strips and any 'ole pharmacy'?

TIA
Dan


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Old 01-22-2010, 09:48 PM   #2
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It's hard to say since you don't list Ca or Mg concentrations, but your alkalinity looks good.

http://howtobrew.com/section3/chapter15-3.html


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Old 01-22-2010, 09:54 PM   #3
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Yes, I would say the "fatal flaw" is that it's chlorinated water. Chlorine can combine with malt phenol to form chlorophenol. A surprisingly small amount of this substance can give your beer a "medicinal" undesirable taste. I have never brewed with my tap water and this is why I never will. It's too bad because I hate having to buy those 2.5 gallon jugs of Ice Mountain natural spring water, but I do, and have never had a problem with this water. Take care....and my advice is stay away from chlorine.
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Old 01-22-2010, 10:10 PM   #4
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I can boil the water before I use it, this will evaporate the Cl?
I would also precipitate the Alkalinity?
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Old 01-22-2010, 11:27 PM   #5
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Boiling removes chlorine, but not the ever more popular chloramine. Just crush up a campden tablet and add it to your mash, sparge and boil water. 1 tablet treats 20 gallons, and the reaction is almost instant. I do this and have never had an issue with chlorophenols.


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