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Old 03-08-2012, 07:56 PM   #1
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Default Yeast Starter

I want to make a 1.5L Yeast starter from a WYEAST smack pack - 1098 British ALE.

The OG for the beer I'm making is 1.071 and I punched the numbers into yeastcalc.com and it says the DME amount is 5.09oz.

The Palmer book example says to add 1/2C DME to a PINT (470ML) - so the ratio from yeastcalc seems a little low?

Also, If make this tonight (Thur) should it be ready to pitch by Sat. afternoon?

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Old 03-08-2012, 08:09 PM   #2
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To make a starter of any volume use the ratio of 1 gram DME to 10 mL of water to get a gravity of 1.040. So for a 1.5L starter you would need 150 grams of DME for 1.5L of water. (150 gram = 5.29 oz) If you make it tonight it should be ready on Saturday. It usually takes 24-48 hours for a starter to complete its growth phase so that there is the number of cells calculated on yeastcalc.

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Old 03-08-2012, 08:10 PM   #3
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You want to make a starter with an OG of about 1.040. The easiest way to do that is by using the metric system and a 10:1 water to DME ratio. So for a 1500ml (1.5L) starter you simply need to move the decimal one place to the left, or 150 grams of DME.

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Old 03-08-2012, 08:11 PM   #4
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Damn, I just cant ever type fast enough to be the first to respond. I give up!

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Old 03-08-2012, 08:33 PM   #5
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Thanks guys!

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Old 03-09-2012, 01:15 AM   #6
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Mr. Malty calculator says I need 3.6L?!

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Old 03-09-2012, 03:53 AM   #7
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How old is the yeast and do you use a stir plate? If you choose simple starter with mrmalty then you will need 3.6L. If you choose intermittent shaking then you only need ~2L. With a stir plate you'll need 1.5L or less. If you don't have a stir plate then you should intermittently shake the starter. Set the starter somewhere warm and where you walk by often. Everytime you walk by give it a good shake or swirl. This will release the C02 and help the yeast grow. Once you get tired of this you'll want a stir plate.

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Old 01-03-2013, 11:00 PM   #8
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I don't have a scale yet, about how many cups or fractions of is 150g of DME?

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Old 01-03-2013, 11:13 PM   #9
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nevermind, I was being lazy. about 1 1/4 cup

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