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Old 10-31-2013, 06:39 PM   #1
Oct 2012
Posts: 7

I've been reading that fly sparking has the possibility of extracting tannins from the mash due to a rise in pH. Has anyone noticed this? If so, have you tried modifying your Sparge water to lower the pH (maybe with citric acid?) what were your results? I think I may try it this weekend and I'll let you know the results


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Old 10-31-2013, 08:09 PM   #2
Aug 2009
Posts: 976
Liked 124 Times on 79 Posts

Continuous sparging with alkaline water is liable to use up the buffer in the mash and extract tannins. Itís less of a problem with batch sparging.
If you have a water report this calculator will figure out the acid for you.
If not you could sparge with RO water. If the astringency disappears youíll know.

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