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longneck 04-30-2009 08:12 PM

Water Quality Report
 
I need to thank Ewalk02 for bringing up the subject of water quality. It should have its own subject heading. Below is the water data from Ames,IA. Its supposed to have some of the best city water in the country. I know our Microbrewery in town, Olde Main, chose Ames for the water. Let me know what you think. Thanks.


Sulfate - 83-110 ppm
pH - 9.50
Hardness (as CaCO3) - 135ppm
Sodium - 22 ppm
Ammonia (as N) - <0.1 ppm
Chloride - 36 ppm
Fluoride- 0.96 ppm
Iron - 0.06ppm
Non-carbonate Hardness- 81ppm
Mg- 11ppm

LooyvilleLarry 04-30-2009 08:24 PM

Mg ? That is a pretty important one.

longneck 04-30-2009 08:33 PM

Added Magnesium

conpewter 04-30-2009 08:48 PM

alkalinity / bicarbonates? Need that to calculate your residual alkalinity to know what additions you need for dark or pale beers.

longneck 04-30-2009 08:56 PM

Alkalinity is 81 ppm

boredatwork 04-30-2009 09:37 PM

Water quality is a two step process. First, know what kind of water you want. Second, adjust your water accordingly.

For the first step read (or re-read) the water quality section of How to Brew. From that you can figure out what your targets water parameters need to be for the type of beer you want to brew.

How to Brew - By John Palmer - Understanding the Mash pH

For step two, use a Water Chemistry Calculator to figure out how to get your water to where you want it.

Brewing Water Chemistry Calculator | Brewer's Friend

conpewter 04-30-2009 10:44 PM

I agree with above. Also there is a great spreadsheet calculator in the How To Brew site as swell (chapter 15.4?) It helps you determine what you want for residual alkalinity based off of color (SRM). Also it will help you know if there are any ions that are too high.

LooyvilleLarry 05-01-2009 12:04 AM

You have to check out Brewater

The basic process is to pick a "Target", I might suggest a Burton On Trent for common Pale Ales. Then you put your water in. Then it calculates the stuff you need.

Scooby_Brew 11-02-2011 01:06 PM

This is my water quality rapport: http://www.canton-mi.org/uploadedFiles/2008_Water_Quality_Report.pdf
What can you tell me about it? Should I use any additives in my brews?

mabrungard 11-02-2011 02:26 PM

The sulfate level in that water is surprisingly high. In addition, the alkalinity of that water is not 81 ppm. Non-carbonate hardness is also known as Permanent Hardness. Total Hardness - Permanent Hardness = Temporary Hardness (alkalinity). Alkalinity is more like 54 ppm and the bicarbonate content is probably around 65 ppm. To balance with the given ion content, the sulfate level is probably slightly lower than stated in the report (maybe 75 ppm) or other ion levels are in error.

Some of that water information mentioned above is a good start and some of it is garbage. Better information is available from Bru'n Water.


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