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Forum: Beginners Beer Brewing Forum 02-06-2013, 08:59 PM
Replies: 128
Views: 13,497
Posted By DeltaRage
I know this is an old thread, but TheSlash, did...

I know this is an old thread, but TheSlash, did you figure out what the problem was for sure? Have you made many batches after the last one you posted about? I have similar problems at the moment.
Forum: Brew Science 01-12-2013, 05:42 PM
Replies: 7
Views: 583
Posted By DeltaRage
Estimating Sparge pH

Is there a way, through a spreadsheet or otherwise, to estimate the sparge pH to keep it from going above 6 (which, I've read, is associated with tannin extraction). Can I simply take the water,...
Forum: Brew Science 01-11-2013, 10:04 PM
Replies: 386
Views: 47,886
Posted By DeltaRage
I'm trying to determine the alkalinity of my...

I'm trying to determine the alkalinity of my water to input into the EZ spreadsheet, but I don't know what value in my water report is equivalent to "Bicarbonate (HCO3 ppm)" or "Alkalinity (CaCO3...
Forum: Brew Science 01-11-2013, 03:55 PM
Replies: 386
Views: 47,886
Posted By DeltaRage
You mean that the effect of lactic acid is 2x its...

You mean that the effect of lactic acid is 2x its expected effect? Adding 1ml of lactic in the spreadsheet seems to change the predicted mash pH by -0.075. Does this mean that the rule of thumb of...
Forum: Brew Science 01-10-2013, 09:28 PM
Replies: 61
Views: 18,336
Posted By DeltaRage
How long does the effect from the campden remain...

How long does the effect from the campden remain active in water? For example, if I dissolve half a campden tablet in a glass and then add a tiny amount from that glass to my starter to dissolve its...
Forum: Brew Science 01-10-2013, 06:18 AM
Replies: 923
Views: 255,732
Posted By DeltaRage
Thanks for the reply A.J. It's very much...

Thanks for the reply A.J. It's very much appreciated.

I brewed a 5.5 gal batch immediately after my last message, so I didn't have a chance to read your message. I added some gypsum and a touch of...
Forum: Brew Science 01-09-2013, 10:24 PM
Replies: 923
Views: 255,732
Posted By DeltaRage
Sauermalz v. Lactic acid (for sparging)

How much does sauermalz malt reduce the pH of the sparge? How does this affect the sauermalz strategy for pH reduction?

Sparging with high pH water is associated with higher tannin extraction, so...
Forum: American Ale 01-01-2013, 10:59 PM
Replies: 46
Views: 5,635
Posted By DeltaRage
Why the Ahtanum at 60 minutes? Such a low AA hop...

Why the Ahtanum at 60 minutes? Such a low AA hop for bittering? Is the Ahtanum actually going to add any flavour or aroma? If not, then this beer ends up being a mix of amarillo-nelson sauvin,...
Forum: India Pale Ale 12-31-2012, 04:06 AM
Replies: 61
Views: 12,260
Posted By DeltaRage
Scottland, I'm curious why you ferment below...

Scottland,

I'm curious why you ferment below the "optimum fermentation temperature" for WLP007. You say you start the fermentation at 63, but the "optimum" temperature range for WLP007 is 65-70...
Forum: General Techniques 12-22-2012, 11:55 PM
Replies: 360
Views: 199,945
Posted By DeltaRage
Is there any problem using gelatin finings before...

Is there any problem using gelatin finings before dry hopping? I'm using leaf hops to dry hop, so I feel like it'd be best if I added the gelatin mixture before I put the dry hops in. Thoughts?
Forum: General Techniques 12-15-2012, 05:18 AM
Replies: 360
Views: 199,945
Posted By DeltaRage
Sorry, I meant "bottling," not "boiling." You...

Sorry, I meant "bottling," not "boiling." You don't foresee a problem adding the gelatin at the same time as adding the dry hops? Can one therefore add gelatin any time after fermentation, regardless...
Forum: General Techniques 12-15-2012, 02:55 AM
Replies: 360
Views: 199,945
Posted By DeltaRage
Pour gelatin through full-leaf dry-hops?

I'm about a dry-hop a beer with 3oz+ of leaf hops. I suspect that this will prevent the gelatin that I pour into the carboy 3 days before bottling from getting through. Does anyone have any...
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