« on: January 16, 2015, 07:08:52 AM »
Aluminum's oxide layer does not hold up at higher pH (PBW) or to low pH (Star San). Don't cook tomatoes in an aluminum pot - acidic.
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The RA is probably not too out of line. A slightly negative RA is probably OK since an IPA grist is probably not that acidic unless it includes a bunch of crystal. Remember, this profile has a decent amount of alkalinity and that balances the high hardness from the Ca and Mg.
The SO4-2 is just indicating the valence charge for the ion. Notice that Ca and Mg are +2, Cl is -, etc.
I think the original profile was OK, except for the Cl was a bit higher than I would target. The 200 ppm SO4 should be a good starting point for exploring how you like sulfate in your PA's
Did a project on a locomotive, the torque spec for the bolts the held the generator to the frame was 1200 ft-lbs.
That sounds like a GM Electro-Motive Division project.
I live in Florida, but my favorite part of the country is the Pacific Northwest. I think you could easily spend your week between Portland and Seattle and have a great trip. Heck we did a whole week just in the western part of Oregon a few years ago. Weather there is usually great in the summer months - long days, plenty of sunshine despite what you may have heard.
You could also fly in and out of San Francisco and spend some time in Sonoma County. We did that for a week once.
Keep in mind that dropping off a car in another city is sometimes cost prohibitive, but also realize that driving hundreds of miles back to the original airport can be daunting on the final day or two of a trip. It's bigger than you think.
I like Rahr two-row also, but I usually have a sack of Weyerman Pils and Munich II on hand.
I'm not sure which MO I prefer. Crisp and Fawcett are both nice.
I had to stop using Briess because my efficiency sucked. I went through a couple sacks of their Malteurop a few years ago and prefer Weyerman.
I wish Southern would get Best malts. I hear good things about them and I'd like to try a pilsner with it.
My old boss used to say, "tighten it until it breaks and then back off a half a turn."
40 ft# is fairly tight, but not quite as tight as Jim suggests. A car's lug nuts are usually about 85 ft# and spark plugs are about 15 if that helps.
I brew via biab and battle heat loss when mashing with my alum kettle. I am wondering am i better off going to a keg conversion or just build a mash tun? Would stainless hold the heat better?
I know squat about competitions. Why are there years without gold medals? Is there a minimum score?The way NHC works the category wins gold, silver, bronze, one each. So for example if a Dark American Lager wins Gold this year, then Munich Dunkel and Schwartsbeir will not. They are the 3 subcategories for category 4.
Special roast is not needed if you're using MO. My surefire ESB recipe is simply 93% MO and 7% Dark English Crystal, based on Fuller's recipe.What brands of MO and Crystal give the flavor you want?
If you're looking for a bit more base malt character you can also stand to bump up your OG a bit. The 1.055 range is a good spot for an ESB.