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Old 03-31-2010, 01:01 AM   #1
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Default Pitch rate, starters & Mr. Malty

Hi all - Tomorrow is my first crack at making a starter. No stir plate. I smacked my Wyeast 1010 pack tonight, am making the starter tomorrow for an American wheat w/ OG 1.040 and brewing some time on Friday. So I consulted the Mr. Malty calculator and it is telling me that based on the production date of the yeast, I'll need 1.16 liters of starter, or roughly 5 cups. I guess my question is, does this mean 1.16 liters including liquid? So like 2 cups of DME and 3 cups water?

Thanks for the help...I've had more help in the past two months (I hope to return the favor some day! )


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Old 03-31-2010, 01:04 AM   #2
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Yes, 1.16L is the TOTAL with everything. Now you can either pitch the entire starter or crash cool it in the fridge overnight & decant most the wort off the yeast and just pitch what's left.


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Old 03-31-2010, 01:06 AM   #3
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Yes, 1.16L is the TOTAL with everything. Now you can either pitch the entire starter or crash cool it in the fridge overnight & decant most the wort off the yeast and just pitch what's left.
Thanks...this was driving me crazy!

So the 2 cups DME, 3 cups water will be good? I'm planning on pitching the entire starter into the wort.
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Old 03-31-2010, 01:07 AM   #4
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Quote:
Originally Posted by thesink View Post
I guess my question is, does this mean 1.16 liters including liquid? So like 2 cups of DME and 3 cups water?

Thanks for the help...I've had more help in the past two months (I hope to return the favor some day! )
No, it's the liquid only not factoring in the DME. So figure out how much DME you need for a 1.040 SG starter in 5 cups water. 2 cups sounds like too much for a 1.040 1.16 Liter (5 cups) starter by the way - but maybe you were just using that as an example.
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Old 03-31-2010, 01:09 AM   #5
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Quote:
Originally Posted by thesink View Post
Thanks...this was driving me crazy!

So the 2 cups DME, 3 cups water will be good? I'm planning on pitching the entire starter into the wort.
No, if you did that, the starter would be much higher than SG 1.040.
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Old 03-31-2010, 01:17 AM   #6
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Quote:
Originally Posted by Frodo View Post
No, it's the liquid only not factoring in the DME. So figure out how much DME you need for a 1.040 SG starter in 5 cups water. 2 cups sounds like too much for a 1.040 1.16 Liter (5 cups) starter by the way - but maybe you were just using that as an example.
Well, I kind of swiped the recipe from How To Brew and then amplified it to get to a 1.16 liter starter, since the example he used was a pint of water and 1/2 cup of DME. That gives a 1.040 OG starter.

Is there another calculator out there I can use? Since I'm going to be brewing a 1.040 OG beer, does my starter need to be 1.040 as well?
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Old 03-31-2010, 01:23 AM   #7
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Quote:
Originally Posted by thesink View Post
Well, I kind of swiped the recipe from How To Brew and then amplified it to get to a 1.16 liter starter, since the example he used was a pint of water and 1/2 cup of DME. That gives a 1.040 OG starter.

Is there another calculator out there I can use? Since I'm going to be brewing a 1.040 OG beer, does my starter need to be 1.040 as well?
I would trust How to Brew over me - but I think your math is off. A pint is 2 cups right? So 5 cups would be 2.5 pints, and multiplying 1/2 cup by 2.5 equals 1.25 cups... not 2 cups.

EDIT: So it would be 1 1/4 cups of DME in 5 cups water. You'll have a bit of boil off too with the water, so I'd just call it 6 cups water to start off with - and you'll be close to 5 cups after the boiling is done.

Reason: clarify
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Old 03-31-2010, 01:36 AM   #8
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Is there another calculator out there I can use? Since I'm going to be brewing a 1.040 OG beer, does my starter need to be 1.040 as well?
I think the Mr. Malty calculator is the best one (though I haven't perused many).

The purpose of the starter isn't to match the expected OG of your beer, it's a moot point really. The purpose is to build up a bigger quantity of really healthy yeast. Even if you're doing a high gravity beer, it's best to make the starter bigger and still at 1.040 so the yeast aren't stressed by too much alcohol and produce more healthy yeast.
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Old 03-31-2010, 01:36 AM   #9
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A good rule of thumb is 1/2 cup DME per 2 cups of water. That would give you a starter of 1.040. If you need a larger starter, do the math and double/triple/whatever the amounts. I generally start with a quart of water and a cup of DME. That's the easiest way for me. I'm so not metric- friendly.
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Old 03-31-2010, 01:38 AM   #10
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If you have a scale, 100 grams DME per 1000 grams (liter) water works and is easy to remember.


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