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Messages - a10t2

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All Grain Brewing / Re: Storing Bulk Grain
« on: December 13, 2011, 12:36:57 PM »
Keep it cool and dry and away from vermin. No need for it to be airtight unless you're planning on storing grain for years, IMHO.

The Pub / Re: Almost like a BFI thread!
« on: December 12, 2011, 03:40:38 PM »
Five comments so far, two of them racist. How's the weather in the South, Keith? ;)

I heard shots and locked the doors and hid under the desk with the lights turned out.  :D

In all seriousness, that's the only smart move in that situation.

The Pub / Re: Another book thread
« on: December 12, 2011, 03:37:53 PM »
Up next is Omnivore's Dilemna by Michael Pollan.

That's a good one. It manages not to be *too* preachy, which is the third rail of diet books IMHO.

Zymurgy / Re: Fast turnaround.
« on: December 12, 2011, 03:34:15 PM »
1272 is a good choice for a fast turnaround IMO. It's basically just a more flocculant Chico.

Equipment and Software / Re: How Often to Replace Plastic Tubing?
« on: December 12, 2011, 09:03:41 AM »
Long-term, I'd move to something more robust than One Step for sanitizing. One Step/PBW/CMC/OxiClean/etc. are great cleaners, but not necessarily great sanitizers. I've had a Lacto contamination that was almost totally resistant to CMC, for example.

Pretty much everyone in brewing uses either an iodophor or an acid blend (like Star San) for sanitizing. Ideally, I'd get both and alternate.

The Pub / Re: Another book thread
« on: December 12, 2011, 08:56:28 AM »
I'm slowly picking my way through Paradise Lost. That's tough to read at work, though, so I'll probably make it through another two or three Lee Child novels before I finish. They're real page-turners.

I was halfway through King's The Dark Tower series, but decided to take a break from that. They're good, but I can only handle so much fantasy before my common-sense filter kicks in.

I just finished Ambrose's Citizen Soldiers, which picks up after D-Day. Every bit as good as you'd expect.

Equipment and Software / Re: How Often to Replace Plastic Tubing?
« on: December 11, 2011, 04:34:52 PM »
Are you using Star San? It builds up a film on vinyl really quickly.

At any rate, I don't think there's any need to replace tubing unless you have a contamination problem. Just keep it clean and dry, and sanitize before each use.

The Pub / Re: Have to vent....
« on: December 11, 2011, 04:22:58 PM »
There's three books IIRC.

It's actually the "increasingly inaccurately named Hitchhiker's Guide to the Galaxy trilogy", consisting of five books.

All Grain Brewing / Re: Humdinger Attenuation Issue
« on: December 11, 2011, 09:40:08 AM »
I've brewed with 2206 pretty extensively and that sounds typical to me. With an all-base malt grist and moderate (66-68°C) mash temps, ADFs have been 76-83%.

We're pushing the limits of my water chemistry knowledge, but the Net Mash Acidity goes up a lot more per gram of MgSO4 than per gram of CaSO4 according to Bru'N water.  So if I'm trying to add SO4, I get less of a pH drop from MgSO4 than CaSO4.

Per unit of SO4, though, the effect on pH should be about the same. CaSO4-2H2O is 56% sulfate by mass, and MgSO4-7H2O is 39%. So you'd need to add about 44% more MgSO4 to get the same amount of SO4. A mole of Mg also contributes more hardness than a mole of Ca (4.1 mol CaCO3 equivalent vs. 2.5), though, so to add the same amount of SO4 the equivalent hardness contribution is nearly the same.

1 g/gal CaSO4 -> 154 ppm CaCO3 hardness, 147 ppm SO4
1.44 g/gal MgSO4 -> 153 ppm CaCO3 hardness, 148 ppm SO4

I'd love to try it. Anyone in Denver planning on stopping by? And willing to hold on to a growler for me? ;)

The Pub / Re: Geminid showers
« on: December 10, 2011, 09:32:46 AM »
Big Ole honkin full moon is too bright tonight

Full moon at altitude with snow on the ground = daylight.

Commercial Beer Reviews / Re: Schlenkerla Urbock in Las Cruces N
« on: December 10, 2011, 07:41:41 AM »
I was really surprised to find it here, but if they can get it here I should be able to find it in Carlsbad.

Now that you know there's a NM distributor, you can probably get your local liquor store to order you a case or two. You might even get fresher beer that way.

Well, you could add SO4 without adding more calcium, so there's that.  That's the only time I use epsom salts.

I'm not sure I buy that either, frankly. The hardness contributed in order to add a given amount of SO4 is about the same whether CaSO4 or MgSO4 is used. Is there a reason why adding magnesium over calcium would be preferable? I've heard plenty of recommendations for a minimum [Ca], but I don't think there's any consensus on a maximum.

The Pub / Re: Have to vent....
« on: December 09, 2011, 05:41:30 PM »
(well cold in a relative sense - you guys would probably still wear shorts at 50df)

I skied in a t-shirt this morning. ;D

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