Activity In Starters

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pbrosnan

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Hi all,

I routinely make a starter for my beers (AG) but am a little disappointed with the activity. By this I mean I have rarely seen a starter go to krausen. With mine it's generally 100g of DME in 1L of water. I aerate by shaking then add the yeast (lager or ale). There's always some reasonable activity through the airlock for the first 48hrs or so then things quieten down. I shake when I can (DTs :D ) perhaps 4 times a day. Could a stir plate be the answer? I have seen some very nice pics of rocky headed starters and I'd like mine to look like that ;) . I do believe however that I get a much quicker start up with the starters that I have developed.
 
Hi pbrosnan,

aerating and stirring at the same time takes the duck at the nuts :)

To multiply the number of yeast cells it needs to be well aerated, just shaking a little bit will not be enough.

Just for example:

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