Home Brew Forums > Home Brewing Beer > All Grain & Partial Mash Brewing > Using RO water
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Old 01-14-2013, 10:23 AM   #11
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Default Thanks again

Martin and other brewers thanks again for the knowledge. That is what I love about this site and particularly this hobby.
Cheers guys

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Old 01-15-2013, 03:56 AM   #12
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Never needed chalk. I use CaSO4, CaCl, and MgSO4. Sometimes lactic acid or acidulated malt with very pale beers. I've used plenty of dark malts in stouts and haven't had the pH drop so low as to require any sort of pH raising chemical.

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Old 01-15-2013, 10:44 AM   #13
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Agree, CaSO4, CaCl, and MgSO4 (with some acid like lacto) is all you need.
I use mabrungard's water sheet to predict my pH and I found it pretty accurate for my system. If pH is too low because of huge dark grains bill I add them at vorlauf or at last 5-10 minutes of mash.

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Old 01-16-2013, 04:58 PM   #14
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MgSO4 isn't always good to add. My city water is high enough in Mg that I like to dilute my water with RO and build from there

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Old 01-16-2013, 10:48 PM   #15
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I know you wanted a simple answer about treating RO to make a good "profile" for beer. My 2 cents is this...spend the 30 bucks and have your water tested by ward labs.

drink a bottle of water, rinse it, send it to them and some money and you'll have all the info you need. You'll know what's in your water. Then, its up to you to just CUT your water with RO. if you're high in sulfates, fine...cut with RO and add back what you need.

it saves SO much money not always buying RO to brew with...and you understand brewing science more! which is half the fun! They'll tell you the PH of your water, and everything you need to know to use the EZ Water Calculator

http://www.ezwatercalculator.com/

totally worth your time

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Old 01-17-2013, 10:55 PM   #16
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Which of the test would it be?
W-9
Household Coliform Bacteria &
Complete Mineral Test*
That is the one that is close to 40 dollars but they have a few more for 10 dollars cheaper.

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Old 01-17-2013, 11:05 PM   #17
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https://producers.wardlab.com/BrewersKitOrder.aspx

Get the beer test
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Old 01-17-2013, 11:06 PM   #18
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Quote:
Originally Posted by usafbeerlover View Post
Which of the test would it be?
W-9
Household Coliform Bacteria &
Complete Mineral Test*
That is the one that is close to 40 dollars but they have a few more for 10 dollars cheaper.
The one you need is $16.50. I think it's W#6 (?) but that's going by my memory. I do know it's $16.50, though!
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Old 01-18-2013, 06:30 PM   #19
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The W-6 test has all the same tests as the "beer test" except Iron and Phosphorus. If you order the "beer test" that 1971hemicuda linked to they will ship you a bottle and mailing label as well as run the 2 other tests. Is it worth the extra $20 as compared to the standard W-6 test? That would be for you to decide. I don't know how important the Phosphorus test is, but I know the Iron test can be handy (but probably avaible from your local water report already).

This spring I will be having my water tested, and will probably just buy the kit. I already know that my water is messed up as it is very hard well water with a high iron content. Hopefully it won't be so bad that I run into problems cutting it with RO to get a workable profile for the lighter colored beers that I enjoy in the summer.

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Old 01-21-2013, 08:22 AM   #20
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Default RO safety

Please be careful using only RO water for consumption. Even when adding just grains the water will be missing many minerals. The problem comes on e it's consumed the body always is trying to keep a boa lance of different levels. In this case these minerals can be pulled out of our bones. One batch probably not an issue, but years of drinking fluid devoid of these important minerals can cause many health issues. There are many article lee online that speak to this, I am a nurse by trade, but don't take my word for it, please do some additional research before you start off into a life time of brewing this way.

Cheers Jim

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