Lab warehouse flask
I have just upgraded to a 3L lab warehouse flask from a 2L pyrex jug for making starters and by goodness is it noisy. The stir bar seems to rattle around and make a heck of alot of noise. My stir plate is very basic with a 12v fan and 6v phone charger as a power source no speed control or anything.
Does anyone else have this issue with this flask? what size stir bar are you using? does anyone have any tips that i could try to shut it up.
Replies to This Discussion
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Permalink Reply by Scott H on
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Put it in a room far away from you. Mine is also noisy so I put it in the garage.
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Permalink Reply by Ben on
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Hi.
I have stir bar that is about about 15mm long that does the job well. I think smaller is better as I also bought a 40mm one which wouldn't even stay on the magnet.
If you have the stir bar with the ridge in the middle put two little o rings either side of it. It will then spin on these and you won't really hear anything. I can leave my one on 24 hours a day in the kitchen this and no one complains.
It would probably work on the ones without the ridge too but I haven't tried it.
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