Spike Brewing 12.5 Conical Fermenter Giveaway - Enter Now!

Home Brew Forums > Home Brewing Beer > Brew Science > Is there ever any need to treat sparge water.

Reply
 
LinkBack Thread Tools
Old 12-17-2010, 01:47 AM   #11
ajdelange
Senior Member
HBT_LIFETIMESUPPORTER.png
Feedback Score: 0 reviews
Recipes 
 
Join Date: Aug 2010
Location: McLean/Ogden, Virginia/Quebec
Posts: 5,866
Liked 571 Times on 471 Posts
Likes Given: 16

Default

Quote:
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 Quick reply to this message
Reply


Quick Reply
Message:
Options
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 04:46 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 04:31 PM