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Home Brew Forums > Home Brewing Beer > Equipment/Sanitation > Erlenmeyer? No.
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Old 02-22-2013, 08:34 PM   #31
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Funny, I was just learning about making starters last night and came here to find out more about which erlenmeyer to buy.

I have a couple extra stoppers around, #6 and #7 I believe. Any recommendation as to which erlen will work with either? I'm thinking 2L at the largest.
Stoppers are cheap. I wouldn't worry about buying a flask to match an existing stopper. I only use my stopper when the flask is empty to keep dust out.
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Old 02-22-2013, 08:41 PM   #32
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Stoppers are cheap. I wouldn't worry about buying a flask to match an existing stopper. I only use my stopper when the flask is empty to keep dust out.
Reasonable angle. Cost really isn't an issue, more of functionality and ease of use. I'd like to follow John Palmer's advice and put an airlock on top.

A better way to phrase the question is: Any brands or sizes to avoid? I want something that will work well with a standard stopper and airlock.
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Old 02-22-2013, 08:58 PM   #33
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I got my pyrex 'flask' at the dollar store.



Lots of other coffee containers there, all with flat bottoms.

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Old 02-23-2013, 12:36 AM   #34
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Love it.

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Old 02-23-2013, 12:56 AM   #35
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I've read somewhere to put an o-ring on each end of the stir bar to prevent it from being thrown when the bottom is concave.

Paying absurd amounts for cool looking vessels is entirely up to the consumer.

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Old 02-23-2013, 01:34 AM   #36
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Originally Posted by Brew-ta-sauraus View Post
I brew 10 gal batches and I use a 5000 ML Pyrex erlenmeyer. The larger size works great for 2500 ML starters. Keeps eruptions to a minimum except with WPL 001. I boil in a sauce pan then transfer to the flask and add yeast. Been using the same flask for 5 years. Flat bottom works great with a stir bar as well.
Have a 5L starter going right now in a 5L flask. As in the pictures before. On a stir plate with a 2" stir bar, foaming isn't really an issue because of the sheer amount of liquid movement.

I checked it and crammed 6.8L of water into it before it got to the neck. Pretty sure I could make a 6.5L starter in the thing if I added a drop of two of FermCap-S every couple hours.
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Old 02-23-2013, 02:30 AM   #37
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Originally Posted by IslandLizard
I've read somewhere to put an o-ring on each end of the stir bar to prevent it from being thrown when the bottom is concave.

Paying absurd amounts for cool looking vessels is entirely up to the consumer.
I need to get some o rings. I have one of the stir bars with the donut in the middle to promote spinning, but it makes an awful racket when it spins! I think that might help my prob. Oh btw I use a plastic beer pitcher for my starter vessel with sanitized foil for a cover. The bottom is perfectly flat.
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Old 02-23-2013, 02:37 AM   #38
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The nice thing about a Erlenmeyer is it looks cool. The advantage is that you have less boil off because of the narrow neck and you can heat and chill in the same container and it does hold a stirbar. I tend to boil my starter in a saucepan and transfer to a Erlenmeyer if I'm doing less or equal to a 1 ¾ liter starter since my largest Erlenmeyer is 2 liter. When I make a larger starter I use a 1 gallon pickle jar or if larger you can use a plastic storage container. Just look around the house or store for an appropriate container. The disadvantage to the saucepan method is you will have more boil off due to the larger surface area. But you just take it into your calculations.
Agreed and...science! It makes you look like a mad effing scientist. What more persuasion could you need?

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Old 02-23-2013, 04:12 AM   #39
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Decanting a large starter is a lot easier with an Erlenmeyer flask. There have been a few big lager starters that I was certainly glad that I had flask, plus the graduated marking make it very convenient. If you search around there’s some reasonable prices. But you really don't need one, there's less expensive options out there like Mason jars, growlers, etc.

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Old 02-23-2013, 04:27 AM   #40
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What it all comes down to is finding something that works for you and is in your price range. If it works, great. If not, find something that does.

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