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Old 04-10-2011, 06:18 PM   #1
hector
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Default Contaminated Yeast ?!

Hi there !

I'm going to brew a small Batch ( 1 Gallon ) by using DME and dry yeast .

I calculated the amount of dry yeast needed for this Batch and it is 2 grams .

I have 11.5 gram dry yeast sachets .

If I open one Sachet and take out 2 grams of the yeast , would it lead to

contamination of the rest of the yeast in the Sachet ?!

p.s. I will put NOTHING into the Sachet and let the yeasties fall out of the Sachet into a Beaker

which contains Water for rehydration .

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Old 04-10-2011, 06:25 PM   #2
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It's not a wise idea to leave it open. They recommend you sanitize the outside of the packet before you open it and pitch it into the wort. I would recommend just pitching it all. It's more then needed, but you are not going to hurt anything.


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Old 04-10-2011, 06:36 PM   #3
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Quote:
Originally Posted by Shaneoco1981 View Post
It's not a wise idea to leave it open. They recommend you sanitize the outside of the packet before you open it and pitch it into the wort. I would recommend just pitching it all. It's more then needed, but you are not going to hurt anything.
1- I thought that sanitizing the outside of the Packets is always done only with liquid yeast Packets .

2- After measuring 2 grams of the yeast , I would keep it closed in the Refrigerator .

3- I would NOT use 11.5 grams of yeast for just 1 Gallon of Beer , because dry yeast is very expensive to me and

it's NOT easy to buy such things in my Country .

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Old 04-10-2011, 07:43 PM   #4
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Let me ask my question this way :

What is the best way to use dry yeast , if you are NOT going to use the whole Sachet once ?

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Old 04-10-2011, 08:25 PM   #5
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I would not use the whole packet. It is very possible to over pitch and does happen if you are havesting your yeast from previouse batches. As far as the 1 gal. test batch goes, I would not sweat contamination unless you plan on keeping the beer a year plus. As for the remainder of the yeast I have used partial packs of dry yeast in the past with no trouble. Use good clean handling techniques seal up the remainder and plan on using it in the near future. I would make a starter for the remainder when I used it and let it work about 48 hours before pitching.
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Old 04-10-2011, 08:25 PM   #6
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Default How to use dry Yeast ?

Hi there !

What is the best way to use dry Yeast , if you are NOT going to use the whole Sachet once ?

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Old 04-10-2011, 08:27 PM   #7
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Some thing as if you used the whole sachet - rehydrate in warm water and pitch, and throw the rest of the sachet away or use it for baking.
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Old 04-10-2011, 08:39 PM   #8
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Quote:
Originally Posted by ArcaneXor View Post
Some thing as if you used the whole sachet - rehydrate in warm water and pitch, and throw the rest of the sachet away or use it for baking.


Throwing it away !!!

That's exactly my Problem .

I'd like to use the whole Sachet , BUT NOT for only one small Batch .

According to my Equipments , I can brew 1-Gallon Batches at Home .

Therefore , I would use one dry Yeast Sachet for 5 Batches .

That was the main reason for asking my question .

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Old 04-10-2011, 08:44 PM   #9
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I would use the whole thing and harvest the yeast.
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Old 04-10-2011, 08:49 PM   #10
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Quote:
Originally Posted by likwidbliss View Post
I would use the whole thing and harvest the yeast.
11.5 grams of dry Yeast for ONLY 1 Gallon of Beer !!!

Have you ever heard of "OVER PITCHING" ?!

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