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-   -   Sanitizing Bottles in Oven (http://www.homebrewtalk.com/f39/sanitizing-bottles-oven-187261/)

ThirdGen 07-20-2010 10:04 PM

Sanitizing Bottles in Oven
 
Bottling day is tomorrow! I was going to try sanitizing my bottles in the dishwasher on a Drying cycle, but then realized I don't have a way to check the temperature inside to make sure it's hot enough. So I checked my How-to-Brew page and saw that I can sterilize the bottles if left in the oven for 60 minutes at 338 degrees F. For those of you who have done this, did you add aluminum foil over the tops before putting them in the oven, or after you took them out?

klyph 07-20-2010 10:08 PM

Dude, get some starsan or iodophor so you don't have to deal with 338 deg bottles. Heat cycling the glass like that can't be good for their structural integrity either.

Captain Damage 07-20-2010 10:10 PM

I've sterilized in the oven a couple of times, a friend does all her bottles that way. Put the foil on before they go in the oven. That way the inside of the bottle and the underside of the foil are sterile. Don't remove the foil until just before you're ready to bottle.

ThirdGen 07-20-2010 10:12 PM

Quote:

Originally Posted by klyph (Post 2171398)
Dude, get some starsan or iodophor so you don't have to deal with 338 deg bottles. Heat cycling the glass like that can't be good for their structural integrity either.

I have starsan and that's how I sanitized them last time, but since it's only my 2nd batch I'd figure why not try something else for the sake of experimenting.

Does the heat actually effect their structural integrity? I've heard rumors, but I have not actually heard any evidence to support it. If so, then back to starsan it is tomorrow.

klyph 07-20-2010 10:27 PM

Well as long as they heat up and cool down at a slow even rate, I'm guessing they'll be fine. It's rapid or uneven heating and cooling that damages glass. That being said, I can't see any advantage over Starsan.

Captain Damage 07-20-2010 10:38 PM

Anecdotally, I haven't seen that it causes increased bottle failures, but I'm not aware of any hard test data. The reason I don't sterilize in the oven any more has to do with my own workflow and how it fits into my routine (to the extent that I have a "routine"). Try it, see if it works for you.

DeafSmith 07-20-2010 11:39 PM

I've done that a few times with no problems. Put the foil on the bottles, put them in the oven, bake at 350*F for three hours, then turn off and let cool overnight. I think the structural problems, if any, may come from the bottles heating too rapidly and unevenly (direct radiation from the heating coil on one side of the bottle), so I would stand in front of the oven and manually cycle the oven - on for 30 seconds, off for 30 seconds, for the 25 minutes it took to come up to temperature in order to avoid letting the heating coil get bright orange hot. Somewhat of a pain to do that, but the good side is you can do it a day or two before bottling and have one less thing to worry about on bottling day. Probably easier just to use StarSan.

XxonValdez 07-21-2010 04:58 AM

We steam clean glass in an autoclave (HOT) in my lab for years, only thing that effects our bottle integrity is when they meet the floor at various speeds...:fro:

xoltri 07-21-2010 05:30 AM

Starsan and the vinator are just so easy, I'm not sure why you'd want to over-complicate things by having to line up a bunch of bottles in the oven.

ThirdGen 07-21-2010 02:44 PM

Quote:

Originally Posted by xoltri (Post 2172019)
Starsan and the vinator are just so easy, I'm not sure why you'd want to over-complicate things by having to line up a bunch of bottles in the oven.

I was simply trying different techniques out. I know it may have taken more time, but perhaps another time. Packing for this weekend took over, so it looks like I'll just use starsan this go-around.


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