Author Topic: Sulfate X 3?  (Read 2301 times)

Offline dicken74

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Sulfate X 3?
« on: March 03, 2021, 01:20:57 PM »
I was just listening to Martin Brungard on the Experimental brewing podcast, and he said that the sulfate levels on a Ward Labs report need to be multiplied by 3 since they are Sulfate expressed as Sulfur (SO4-S). Also found this comment of his on a thread: "So, there are 32 grams of sulfur in a mole of sulfate.  This is what Ward is reporting.  But to report the entire weight of the sulfate in the water, you have to multiply the SO4-S number that Ward provides by the SO4/S ratio (3) to arrive at the actual sulfate weight."

Does anyone know if this is also true for Beersmith? I know Brunwater is a different system, but this info seems like it should be universal, right?

BTW, I HATE water chemistry. It's the only topic where the more I read, the more confused I get!

Offline GigaFemto

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Re: Sulfate X 3?
« Reply #1 on: March 04, 2021, 11:39:00 AM »
I expect that it is also true for BeerSmith because it deals with ppm of sulfate, not sulfur. Fortunately, my Ward Labs result for sulfur came back as 1 ppm, so it doesn't really matter if I triple it or not because it is very close to zero either way.


Offline TestTickle

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Re: Sulfate X 3?
« Reply #2 on: March 04, 2021, 02:08:02 PM »
Yes, multiply it by 3 for Beersmith.