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Old 01-14-2013, 06:27 AM   #1
Nov 2008
Providence, RI
Posts: 104
Liked 2 Times on 2 Posts

My local water supply chemistry sheet states the pH as 9.7. When I test it with standard pH strips, I'm seeing more like 6.5 - 7. Huge disparity.

I'm brewing in 7 hours with water adjustment calculations based on a pH of 9.7. Should I adjust my salt additions? Should I add nothing and get my hands on a water profile testing kit for future brews?

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Old 01-14-2013, 03:45 PM   #2
GotPushrods's Avatar
Jul 2012
Phoenix, AZ
Posts: 574
Liked 147 Times on 99 Posts

There was recently a similar discussion here:

In that thread, the guy's pH actually was that high -- but the point is you don't care about the water's pH. What does the report tell you about alkalinity?

You should be making adjustments based on alkalinity, not water pH. That is probably in your report as well.

If your water supply has changed recently, and the pH really is different, it does not necessarily mean the alkalinity has changed significantly.

If you post your report, there are folks here who will tell you more than you ever wanted to know.

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Old 01-14-2013, 03:46 PM   #3
Kaiser's Avatar
Nov 2005
Pepperell, MA
Posts: 3,895
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you likely have low mineral water which allows the pH to change easily. Don't worry.


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