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Yes, that is correct. Spike Brewing chimed in on this and described their process. See post #4 in this thread for Spike Brewing's response.

Those are the USA-made ones that now bear the Vollrath name, but I think they are still different from the pot @solbes bought because @solbes said, "The bottom is tri clad SS-Al-SS at 5 mm thick and the sidewalls are 1.2 mm stainless." The bottom of those USA-made Polarware/Vollrath pots is not...

@Hops-and-pots Thanks for the information. The Vollrath stock pot is one more to add to this list. That is the same as the PolarWare that was made in the USA. It is also comparably priced ($288). Actually it's more expensive since the PolarWare was formerly available with welded fittings for...

@Bensiff Sure, it's cheaper to get something made in China, but cost isn't the top factor for me. It is for a lot of people, maybe even most people, I know. I take pride in "Made in the USA." I like knowing I supported jobs in my home country where working conditions are likely more humane than...

Thanks, Talgrath. I think I see what Garetz and Daniels were getting at after your explanation. The numerical results seem a bit capricious (if I add 37 IBUs and desire 37 IBUs I will end up with 33 IBUs but if I add 37 IBUs and desire 20 IBUs I will get 35 IBUs), but I at least understand the...

This may be old news at this point, but I have just learned that the new Blichmann BoilerMaker G2 not only has some improvements over the old pot but also is now MADE IN THE USA. Kudos, Blichmann!

I'm reading Ray Daniels' Designing Great Beers and on pages 85-86 he talks about augmenting the IBU calculation for a beer by including a "hop concentration factor," or HCF, as designed by Mark Garetz: HCF = ((Final Volume/Boil Volume) * Desired IBU)/260 + 1 Main question here: I don't...

Hey, many thanks for the compliment. I had fun with it. As for my background, I was a math teacher a long time ago, and I definitely miss playing with numbers for a living. I will say that I was largely drawn to the problem by your enthusiasm for the challenge. It's always nice to encounter a...

Yeah, I think that should work. I set up e^(-0.04T) as a Maclaurin Series and got a pretty good approximation of the [1-e^(-0.04T)] term. Since e^x = 1 + x + x^2/2! + x^3/3! + x^4/4! + ... (see Wikipedia) it follows that e^(-0.04T) is approximately 1 - .04T + 0.016T^2/2 - ... so...

Intractable, mmm, basically it just can't be solved algebraically. Like a Rubik's Cube that somebody scrambled up and then glued together. I'm sure in your struggles with the math you got as far as having ln[1-e^(-0.04T)] as part of your equation. I feel pretty safe in asserting here that...

Yeah, the math gets pretty thorny pretty quick. I think the best way to approach this is to look at the reasonable value range for T and do some estimating. We're trying to calculate hop utilization, so we're probably not looking to use this equation to deal with your finishing hops, which...

Well, dang. Many thanks for your reply, and I believe you are correct. It's spider mites. What I have and what the Google Images turn up are one and the same. And a little reading tells me that you are also correct that Bt is not effective at killing spider mites. Since stores were closed today...

Thanks for the reply. I didn't see any pests previously, but since my original post the problem has spread, and today I did see some little black dots that may be aphids. There is some fine webbiness on the underside of some leaves. I mixed up a solution of Bt and sprayed the plant today...

This is the second year for my Cascade hop vine. Last year here in Baltimore we harvested in September. This year, the better-established plant has grown like mad and we have a vine full of hops and it's only the last day of June. I guess my first question is, is it possible that I'll harvest...

This may have been true in 2007, but as of February 2013, Baltimore City is using free chlorine as a water disinfectant. This information was provided to me by the drinking water department on the telephone, and it is also stated in the city's water quality report.

With these new Bayou Classic pots, the false bottom sits at about the 2-gallon mark. That seems like a lot of water below the grain if you mash in this pot. Would this be a problem? How does one need to adjust their brewing methods to account for this volume of water? (To the original poster...

Back to my original post about homebrewstuff.com selling a pot they told me was made in the USA by an Asian company called Thunder Group. This is the pot: http://www.homebrewstuff.com/10-gallon-kettle-w-valve-thermometer.html After all this discussion and mentions of one pot being sold...

Actually, the standard for a "Made in the USA" claim is much more stringent than 51%. The standard is "all or virtually all." http://business.ftc.gov/documents/bus03-complying-made-usa-standard Even to say "Assembled in the USA" the product must undergo "substantial transformation." The FTC...

I emailed the Brewhemoth people and was told that "The final assembly is made in the USA right here in St Louis, not all the parts are made in the USA." I asked for clarification in a follow-up email but have not yet received a response. SpikeBrewing may be correct in asserting that the pot...

I emailed a reseller about Blichmann and was told that, nice as their pots may be, they are made overseas. (Though I have not used either, I am a little more attracted to the Bayou Classic I mentioned in my first post because I think I would prefer the volume markings as indentations in the...