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beer bottle sanatation

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Posted 3/29/2008 1:12 PM

Forum Member

Group: Forum Members
Active: 11/17/2008
Posts: 14

I'm returning to brewing so i watched the dvd that i got from midwest. they said you could sanitize bottles in a dishwasher. My question is what if you put your clean dry bottles in the oven say at 225 degree's for 1/2 hour. would the bottles be good to go? just curious!

"Never fry bacon naked"

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Posted 3/29/2008 1:56 PM

Supreme Being

Group: Forum Members
Active: 2/10/2009
Posts: 241

from Palmers Book

Temperature Duration

338°F (170°C) 60 minutes

320°F (160°C) 120 minutes

302°F (150°C) 150 minutes

284°F (140°C) 180 minutes

250°F (121°C) 12 hours (Overnight)

"The times indicated begin when the item has reached the indicated temperature."

One Man Gathers What Another Man Spills...

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• Secondary - nothing
• Bottled - Liberty Cream Ale / Black Dog Ale / Belgian Blonde Ale
• Next Up - Classic ESB, Nescastle Clone, Irish Red

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Posted 3/29/2008 3:32 PM

Supreme Being

Group: Forum Members
Active: 8/31/2010
Posts: 2,353

According to Ashton Lewis (BYO's Mr Wizard), an oven can be used, however after a few heat/cool cycles, the bottles may begin to experience glass fatigue. In his book, The Home Brewer's Answer Book, he relates a story of using a similar method; after a few cycles, he started having bottles explode in his hands while using a standard counter pressure bottle filler. Week glass = potentially dangerous beer explosions. I imagine this to be especially true when naturally carbing in bottles.

- Scott

Chief Disposal Officer (CDO) - FBDU Midwest Division

Facarelli's Beer Disposal Union (FBDU) - The Boy Scouts of Beer

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Posted 3/29/2008 5:08 PM

Supreme Being

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Active: 6/5/2010
Posts: 1,653

Quote: I'm returning to brewing so i watched the dvd that i got from midwest. they said you could sanitize bottles in a dishwasher. My question is what if you put your clean dry bottles in the oven say at 22...

You cannot simply put beer bottles in the oven at a high temperature, they are not designed for those levels of dry heat. What you have to do is put them in cold. Turn the oven up to the required temp, hold for the prescribed time, and then allow the oven to cool back to room temp.
The dishwasher is superior because it is a wet heat. You can probe this by turning your oven to 100°C and putting your arm in. I bet you could hold it there for a very long time, now try that with a pot of water at 100°C (boiling water).

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Posted 3/29/2008 8:37 PM

Supreme Being

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Active: 8/27/2010
Posts: 300

I, too, am very leery of the oven method, and for the reasons given. Glass is a very weird material, it's not even really a solid....amorphous, or something. Old windows on Beacon Street in Boston are thicker at the bottom than at the top because the glass actually flows down due to gravity over several centuries. Unless it's a tempered glass like in Pyrex cooking utensils, it's apt to break unpredictably when subject to stress. I'm lucky in that I have a dishwasher, and rely completely on that method. So far, it works.....

“Malt does more than Milton can / To justify God’s ways to man”

- A.E. Housman

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Posted 3/29/2008 8:43 PM

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Active: 4/12/2010
Posts: 72

I used the dishwasher method for my first batch with no issues. It's so easy I don't understand why everyone doesn't do it that way (if they happen to have a dishwasher of course). I should be bottling this week and plan to use the dishwasher again. Last time I just loaded it up and ran it, and when it was time for bottling I pulled them out one at a time and filled them. I can fit exactly one five gallon batch worth in my washer at once. Perfect!

-Eric

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Posted 3/31/2008 5:08 PM

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Active: 4/1/2008
Posts: 1

I may be more paranoid than most, but I always wash the bottles in the hottest watter I can stand, then run them through the rinse/dry cycle of the dishwasher and just prior to bottling I use 1-step. Probably too careful but hey my bottles are clean!

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Posted 3/31/2008 5:34 PM

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Active: 7/28/2010
Posts: 370

I was going to use my dishwasher, but I read where Jet Dry kills the head on your beer. I don't have any way to shut it off so I'm sticking to One-step.

Randy

________________________________________________________________________

Randy

Statistics say that one out of 4 people are crazy, think of your three best friends, if they are okay, then it's you!

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Posted 3/31/2008 6:03 PM

Supreme Being

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Active: 6/30/2010
Posts: 3,599

I hate bottling...have no set up for kegging...have no dish washer...but there's no f^cking way I'm sticking them in the oven. That's just crazy...

-Vince

It's un-American to delete a man's post

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Posted 3/31/2008 11:13 PM

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Active: 10/16/2008
Posts: 50

Being a student of engineering and having a glass expert as a boss, I would like to add a little to rico's post on the apparent flowing of glass window panes in old (ancient?) buildings. The glass actually hasn't exhibited flow, rather the imperfect methods of making flat pieces of glass that were available before the introduction of modern float glass processing resulted in panes that were not really flat but thicker at one end (blown glass I believe) or wavy (rolled I think), and the builders of the old building were pretty smart and good engineers and realized that it would be better to put the thicker part of the pane at the bottom as it would probably be subjected to higher stresses due to the weight of the glass above it. It is true that glassy materials can exhibit flow like that described for the glass panes, but in this case the glass at ambient temperature is so far below the glass transition temperature of the material that the timescales required for an observable flow would be much longer than and piece of glass has been in any old church window. The idea of the flowing glass window is a common misconception and I had an urge to let out the inner nerd, sorry about the long off topic post but I find this stuff interesting.Tim

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