Yeast extract agar
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Thread created on 09:14:49 - 01/09/18 (6 years ago)|Last replied 08:02:38 - 25/09/18 (6 years ago)
Made excess before summer hols and kept after sterilisation. A tech went to use it last week, autoclaved then poured. It now has a very dark appearance, smells caramelised and doesnt set fully. Does anybody know if YEA doesnt keep well? -