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Old 02-09-2011, 01:07 AM   #1
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Default Yeast Nutrient in a starter??

Has anyone used the White Labs WLN1000 Yeast Nutrient? It says to add 1/2 tsp per 5 gallons, but if I add it to a starter, do I add a full 1/2 tsp based on the overall beer volume, or do I scale back based on the starter size?



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Old 02-09-2011, 01:26 AM   #2
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I've not used the White Labs stuff, but I assume the Wyeast product is similar. I'm not terribly precise about it, but you want to scale it to yeast growth, not to total volume. In other words, I'd put less than I would in 5 gallons, but not twenty times less. Put a quarter teaspoon. I can't imagine that it would hurt the yeast if there were more than it needed in there (within a reasonable degree).



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Old 02-09-2011, 05:27 AM   #3
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Ive been adding about 1/3 tsp of yeast extract from wyeast per 2L , I use oxygen injection via a stone and disposble tank. I get excelent results even with the mason jars of washed yeast that I have stored in my fridge.

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Old 02-09-2011, 05:37 AM   #4
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i only use yeast starter to fresh yeast, not to a starter, per instructions on my bottle

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Old 02-09-2011, 05:40 AM   #5
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Quote:
Originally Posted by lumpher View Post
i only use yeast starter to fresh yeast, not to a starter, per instructions on my bottle
Umm what?
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Old 02-09-2011, 05:47 AM   #6
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let me try that again.... i only add yeast starter into a wort where i just pitched yeast. i pitch yeast, dump in yeast starter, and let it go

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Old 02-09-2011, 12:12 PM   #7
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I always toss in a pinch of nutrient (Wyeast) when boiling the starter wort. This is the amount I use for a for a 2 liter starter. a couple of pinches for a gallon starter. I always get excellent results.

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Old 02-09-2011, 12:45 PM   #8
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I usually use about a gram or a half gram to my starters.

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Old 02-09-2011, 01:04 PM   #9
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I scale the amount of yeast nutrient to the starter size. For a 1 liter starter I use 0.2 grams. The actual calculated amount is 0.12 grams but I can't get that accurate so I just round up to 0.2 grams.

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Old 02-09-2011, 02:55 PM   #10
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If you add nutrient to your starter, do you add more nutrient to your wort at pitching time? I haven't been doing this. I figure the yeast get their nutrients from the starter, then get a big dose of oxygen at pitching time, and they've got everything they need to start fermenting, but maybe I'm wrong.



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