Hot answers tagged yeast-starters
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Speaking from experience as a molecular biologist. Erlynmeyer flasks are nice for a couple of reasons. The main alternative being a standard beaker which is essentially the same size at the top and the bottom. First off the neck size makes it easy to hold in the hand. Second a smaller opening reduces the chance of getting airborne material into the flask. ...
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While starters ideally don't make use of an airlock to promote maximum O2 exchange, some people prefer to use an airlock to counter wild yeasts and other contaminants. The narrow neck on the conical flask makes using a stopper and an airlock much more practical.
Alternatives to rubber stoppers are foam stoppers which permit gas exchange. Again, these would ...
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