Homebrewers Association | AHA Forum

General Category => All Grain Brewing => Topic started by: ndcube on December 04, 2009, 06:28:48 PM

Title: Minimum SO4
Post by: ndcube on December 04, 2009, 06:28:48 PM
Reading through the online version of How to Brew it says the minium SO4 is 50ppm.  Is that generally accepted?  If so, what is the reason?
Title: Re: Minimum SO4
Post by: Kaiser on December 04, 2009, 06:39:38 PM
I don’t think that there is a minimum SO4 level. Unlike Ca++ and Mg++ it doesn’t seem to do anything to the process of brewing (at least I don’t remember seeing anything written). Certain styles may strongly benefit from it being above 50ppm, which is where that suggestion may have come from.

Kai

Title: Re: Minimum SO4
Post by: bo_gator on December 07, 2009, 01:39:47 AM
I have brewed with water with less than 10ppm of So4 without an conversion, hot/cold break, or flocculation problems in the finished beer.