Keg Connection New Inline Flow Control Valve Giveaway

Home Brew Forums > Home Brewing Beer > Brew Science > Is there ever any need to treat sparge water.
Thread Tools
Old 12-17-2010, 02:47 AM   #11
Feedback Score: 0 reviews
Join Date: Aug 2010
Location: McLean/Ogden, Virginia/Quebec
Posts: 7,901
Liked 1084 Times on 849 Posts
Likes Given: 33


Originally Posted by ajf View Post
If I treat my sparge water (using gypsum (I like hoppy pale ales)), I reduce the sparge water pH from 7.5 to 6.5, and if I stop the sparge at 2.5 brix, the pH of the final runnings is about 5.7
Something doesn't compute here. Adding gypsum to water doesn't change its pH (well it does but the shift is tiny). Also adding gypsum to mash doesn't change the pH unless there is unreacted phosphate i.e. you didn't provide enough calcium at dough-in.

ajdelange is offline
Reply With Quote

Thread Tools

Similar Threads
Thread Thread Starter Forum Replies Last Post
North Penn Water Authority (Montgomery Co., PA) Water Report lebshiff21 Brew Science 11 04-30-2014 10:13 PM
Why not just add all sparge water if the cooler is big enough? norwegiangeek Brew Science 26 01-05-2011 05:46 PM
To treat, or not to treat? Nateo Brew Science 10 08-17-2010 04:20 PM
Confused on when/where to modify mash/sparge water interplexr Brew Science 3 07-09-2010 04:09 PM
Tucson, AZ water profile results from water dept. herbler Brew Science 40 02-02-2010 05:31 PM

Forum Jump

Newest Threads