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The mash pH is a measure of the acidity or alkalinity of the mash. Mash pH affects conversion efficiency and, to some extent, fermentability. The mash pH should be in the range 5.1-5.6, with 5.2 considered optimal.

4 votes
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Bringing mash pH down without changing mineral profile too far

I use either lactic or phosphoric acid to reduce pH. You can also use acid malt. I think the absolute best water calculator around is Bru'nwater (https://sites.google.com/site/brunwater/). Its auth …
Denny Conn's user avatar
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1 vote

Will using Winemaker's Acid Blend to adjust mash pH have a flavor impact on beer?

pH should be measured and reported at room temp, about 70F. The idea that pHosphoric acid will negatively affect Ca is pretty much outdated and disproven. I doubt that your acid blend will have any …
Denny Conn's user avatar
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1 vote

Can carbonate reducing solution lead to off flavours?

There is no way to answer this question without knowing what's in the CRS and I don't see any listings for that. I would not use it without knowing what's in it.
Denny Conn's user avatar
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5 votes

How does lemon juice ferment into hard lemonade?

The commercial "hard lemonades" are made by fermenting a malt base. That's why it can be sold in grocery stores. If they used distilled alcohol it would be illegal in most states. Then the fermented …
Denny Conn's user avatar
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4 votes
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How can I raise my mash pH with something other than chalk or baking soda?

I use pickling lime frequently to raise pH and it works really well. It's much more effective than either chalk or baking soda, which means you can use a lot less of it.
Denny Conn's user avatar
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6 votes
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pH Meters and measuring mash pH for the first time

I used strips for years before I got a meter. They can work well, but I recommend only using the colorPhast strips, which are pretty expensive. The cheaper ones just aren't accurate I've found. I n …
Denny Conn's user avatar
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5 votes
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When should you measure and adjust mash pH?

There are 2 reasons to adjust your water...to get the proper pH and to add minerals necessary for yeast health and beer flavor. To do the former, you can simply measure the pH with a meter or papers, …
Denny Conn's user avatar
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