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The Brewing Forum • View topic - Thames Water 2015 - Any Treatment?

Thames Water 2015 - Any Treatment?

While Beer is 90-97% water, it is a very tricky subject.

Thames Water 2015 - Any Treatment?

Postby Pjam » Thu Jul 16, 2015 11:47

This looks to me like it needs plenty of work.

Hardness = 250 ppm as CaCO
Alkalinity = 220 ppm as CaCO
Sulphates = 85 ppm
Chlorides = 35 ppm

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Re: Thames Water 2015 - Any Treatment?

Postby Aleman » Thu Jul 16, 2015 12:13

That looks like a load of bollocks to me!

more or less meaningless for brewing! . . . . Sorry
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Re: Thames Water 2015 - Any Treatment?

Postby Pjam » Thu Jul 16, 2015 12:47

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Re: Thames Water 2015 - Any Treatment?

Postby Aleman » Thu Jul 16, 2015 12:53

Sorry, Grumpy head on.

Forget hardness, at least it means you have sufficient calcium such that you do not have to supplement it :D

Alkalinity, blooming high, need to reduce it to below 100-125 for dark beers and beers with a moderate level of crystal in it.

Sulphate and Chloride, just greater than 2:1 so good for hoppy, crisp, dry beers, if you want to reverse it use more hydrochloric acid than sulphuric acid to reduce the alkalinity, otherwise use a 'balanced' amount of sulphuric and hydrochloric acids to keep the 2:1 ratio . . .

It's not suitable for treatment with AMS/CRS and DLS/DWB
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