Is this a useful waster report? - Home Brew Forums
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Old 04-27-2013, 09:01 PM   #1
TBaGZ
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A friend of mine works at the water plant so he took a sample from my tap and this is what he gave me for a report.


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Old 04-27-2013, 09:06 PM   #2
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Holy Moly, what is the "feed" supply? Those are some big numbers before they blend with Reverse Osmosis water!

I'm sure the water geeks can help you more than me- I was just hoping for a report on "wasters" to see if my name was on it.



 
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Old 04-27-2013, 09:20 PM   #3
ajdelange
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I assume the numbers in the right hand column are yours?

For starters P-alkalinity is measured by titrating to pH 8.3. As you water has a pH of 8.04 the p-Alkalinity is, by definition, 0. A T-alk (total alkalinity) of 42 is good - under 50 which is about as high as we hope to ever see it. Calcium hardness of 40 is 40/50 = 0.8 mval implying calcium ion content of 0.8*20 = 16 mg/L. For many beers you will want to add calcium. Mg hardness of 20 is 20/50 = 0.4 mval implying Mg ion concentration of 0.4*12.15 = 4.86 mg/L. This is good.

Now the bad news. The chloride at 120 is pretty high and the probability is that that comes with a lot of sodium. There is also the question of sulfate. If your plant does not determine sodium and sulfate you can send a sample off to Ward Labs at reasonable cost and get a report that will tell you most of what you need to know as a brewer.

 
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Old 04-27-2013, 11:19 PM   #4
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Bonita Springs and Port Charlotte have been clients of mine. They are not far from Estero. I'm betting that the utility is drawing their water supply from the nearly brackish shallow aquifer and they have to resort to RO treatment. To improve the overall efficiency, they blend the RO with the feed water to create a water quality that is still acceptable to the users.

As AJ mentioned, they knocked down the hardness. But the sodium and chloride are probably both high in the water. This may or may not be an acceptable brewing water. Get it tested.
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Old 04-28-2013, 01:17 AM   #5
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Correct, the feed water is cut with RO.

I will have to ask him if he can check the sodium, and chloride levels. If not I will send it out.

Thanks guys
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Old 04-28-2013, 01:20 AM   #6
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Quote:
Originally Posted by TBaGZ View Post
Correct, the feed water is cut with RO.

I will have to ask him if he can check the sodium, and chloride levels. If not I will send it out.

Thanks guys
You've got the chloride level (too high), but not the sulfate level. You want sodium and sulfate if he can get it.
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Old 04-28-2013, 01:41 AM   #7
TBaGZ
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Yeah... Those!

Thanks yoop!

I just mashed in an ipa.. Cutting it 50/50 with RO.
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Old 06-06-2013, 01:02 AM   #8
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Quote:
Originally Posted by hillhousesawdustco View Post
I was just hoping for a report on "wasters" to see if my name was on it.
Bwahahahaha... I just noticed "WASTER".
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Old 06-16-2013, 08:32 PM   #9
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Wow, when did ward labs get to be $40?
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Old 06-21-2013, 05:45 PM   #10
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Quote:
Originally Posted by TBaGZ View Post
Wow, when did ward labs get to be $40?
It's still money well spent, especially considering it includes the sample bottle and mailing tube with prepaid postage. I found some pretty glaring discrepancies between my MUD report and Ward, I believe Ward since it's current and specific to my actual tap supply.


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