pH concerns - Home Brew Forums
Home Brew Forums > Home Brewing Beer > All Grain & Partial Mash Brewing > pH concerns
Cool Brewing Giveaway - Supporting Membership Drive & Discount

Reply
 
Thread Tools
Old 04-08-2009, 05:57 PM   #1
dstar26t
If it's worth doing, it's worth overdoing
HBT_SUPPORTER.png
Recipes 
 
Jan 2008
Ridley Park, PA
Posts: 1,148
Liked 56 Times on 41 Posts



I just had my water analyzed by ward labs. For my next IPA (West Coast style IPA) I'm adjusting the profile slightly with gypsum, baking soda and epsom salt to get it closer to San Diego water. According to Palmers nomograph, my tap water should put a 100% base malt mash at a pH of 5.32. After tweaking the water profile to match San Diego water, the pH goes to 5.28. The IPA recipe will be 2-row with 8% crystal malt and 8% carapils. I already get 85% efficiency on similar grain bills so I'm assuming I don't have pH problems. My problem is I'm color blind and can't read the pH strips very easily. I have some 5.2 buffer but researched it today and found multiple sources that claim it can add an off-flavor, I've never used it before. Should I relax and trust the nomograph?

Here's what I'm doing

My tap:
Ca = 27 ppm
MG = 10 ppm
Na = 30 ppm
Sulfate = 7 ppm
Cl = 87 ppm
Bicarbonate = 44 ppm
Residual Alkalinity as CaCO3 = 11 ppm (according to Palmer's spreadsheet)

After additions (10gm gypsum + 4gm Baking soda + 4gm Epsom salt into HLT with 11.7 gallons tap water):
Ca = 80 ppm
MG = 19 ppm
Na = 55 ppm
Sulfate = 169 ppm
Cl = 87 ppm
Bicarbonate = 109 ppm
Residual Alkalinity as CaCO3 = 23 ppm (according to Palmer's spreadsheet)


__________________
Next: ?
Fermenting: Egregious-ish, Barrel Fermented Dreg DelcoLambic, Sacch Trois Helles
Drinking: Pre-Prohibition Pilsner, 11 day Oat Pilsner, RIS v7, Doppelbock, RIS v6, Carrot Blossom Cedar Mead, Sauerkraut Fermented Gose, Gueuze, Brett Blonde, Kriek, Saison, Sour Blonde
Barrel aged: Rye Barleywine, Tripel, Wee-Heavy


 
Reply With Quote
Old 04-08-2009, 06:44 PM   #2
944play
Recipes 
 
Jul 2008
Santa Rosa, CA
Posts: 2,725
Liked 46 Times on 41 Posts


Quote:
Originally Posted by dstar26t View Post
Should I relax and trust the nomograph?
IMHO, yes. 5.2 is made for, AFAICT, homebrewers who don't bother to read water analyses, plot nomographs, and adjust their liquor.


__________________
OD: ?
Pri:-
Keg: Simple AIPA (2-row, Chinook, Cascade, WLP090)

 
Reply With Quote
Old 04-08-2009, 06:45 PM   #3
Lil' Sparky
Cowboys EAC
HBT_LIFETIMESUPPORTER.png
 
Lil' Sparky's Avatar
Recipes 
 
Feb 2006
Honolulu, HI
Posts: 3,952
Liked 69 Times on 44 Posts


and also for those who do and say "screw it all - I'm just adding some pH buffer!"

I use 5.2 in just about every beer I've brewed. There's no off flavor.
__________________
Quote:
Originally Posted by duffman2 View Post
I dub this beer the Double Slutty Triple Nutty Bodacious Booty Brunette!

 
Reply With Quote
Old 04-08-2009, 06:46 PM   #4
mkade
Recipes 
 
Nov 2008
Santa Barbara, CA
Posts: 172
Liked 8 Times on 8 Posts


How can you have 109 ppm of carbonate, but only 23 ppm of calcium carbonate. Does not compute.

 
Reply With Quote
Old 04-08-2009, 06:48 PM   #5
Lil' Sparky
Cowboys EAC
HBT_LIFETIMESUPPORTER.png
 
Lil' Sparky's Avatar
Recipes 
 
Feb 2006
Honolulu, HI
Posts: 3,952
Liked 69 Times on 44 Posts


That's residual alkalinity. You need to read this. How to Brew - By John Palmer - Residual Alkalinity and Mash pH
__________________
Quote:
Originally Posted by duffman2 View Post
I dub this beer the Double Slutty Triple Nutty Bodacious Booty Brunette!

 
Reply With Quote
Old 04-08-2009, 07:43 PM   #6
batfishdog37
Recipes 
 
Dec 2008
Menomonie, Wisconsin, Wisconsin!!
Posts: 187
Liked 1 Times on 1 Posts


Quote:
Originally Posted by Lil' Sparky View Post
That's residual alkalinity. You need to read this. How to Brew - By John Palmer - Residual Alkalinity and Mash pH
This has been incredibly helpful, thanks Sparky!



 
Reply With Quote
Reply
Thread Tools


Similar Threads
Thread Thread Starter Forum Replies Last Post
Concerns about Tea bags Jsquires General Techniques 4 09-15-2009 07:10 PM
Temperature concerns Jmart Beginners Beer Brewing Forum 3 07-16-2009 06:37 PM
Just bottled w/concerns Yosemite Bing Beginners Beer Brewing Forum 5 07-28-2008 03:57 AM
Day 5 - Concerns before bottling BarkerBrewing Beginners Beer Brewing Forum 12 07-08-2008 02:26 AM
New Guy Concerns TallyBrew Beginners Beer Brewing Forum 5 07-31-2007 02:27 AM


Forum Jump