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Old 03-28-2010, 01:49 AM   #1
sdp07d
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Default Erlenmeyer Flask Cracked

Today, I found a large crack on my Erlenmeyer flask. I made the starter that is currently in it 4 days ago and placed it in the fridge the this morning. I decanted some of the starter and it tastes fine. The flask is leaking slowly and the outside of the flask smells awful. I had planned to brew tomorrow morning. Do I need to make a new starter or will it be fine?


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Old 03-28-2010, 01:55 AM   #2
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If liquid can get out, bacteria can get in. If it was me, I'd ditch it and make a new starter, but that's just me.


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Old 03-28-2010, 02:56 AM   #3
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Would it not be similar to gas pressure? If the liquid is flowing out, things wouldn't be likely to come in? I have no idea if it works for liquids too, but maybe a possibility...
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Old 03-28-2010, 04:40 AM   #4
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the liquid can back-flow organisms. think blood and aids/other viruses.
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Old 03-28-2010, 04:16 PM   #5
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same thing happened to me. I pitched it. Worked great. I would just taste your starter wort.
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Old 03-28-2010, 04:40 PM   #6
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It was my roommate's turn to brew today and he was too hung over to brew so we just dumped it. The starter did taste fine, but we decided not to risk it.
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Old 03-28-2010, 08:49 PM   #7
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I think you made the right decision! It's not too difficult to get more yeast and make a new starter and you'd hate yourself if your beer tasted like ass because you tried to cut corners.
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Old 01-25-2012, 12:23 PM   #8
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I have an E flask, 2l and have been debating on whether to boil in it or not. Have you boiled by placing the flask on the stove? I'd be interested in learning why it cracked. Most flasks should be borasilicate glass, which ought to be tougher than that.
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Old 01-25-2012, 01:21 PM   #9
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The thing about borasilicate glass is that it's fine right up until it's not! A brew buddy of mine used to use his flasks directly on the stove. That is, until one broke right in the middle of of a boil and sent 2500ml of hot sticky wort all down the sides of his stove and cabinets. His wife was none to pleased about it!

They should be able to handle the temp shocks from stove to water bath, but glass can be unpredictable. I no longer use my flasks on the stove. I just make the starter in a pot, cool it and pour it into a sanitized flask and on to the stir plate.
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Old 01-25-2012, 01:54 PM   #10
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I had a brand new 3 L flask and it cracked the very first time I was heating it! Off brand junk. Fortunately I avoided getting burned and the retailer gave me a full refund.


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