Whitelabs Burton Ale Yeast Starter

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Aleman
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Whitelabs Burton Ale Yeast Starter

Post by Aleman » Thu Sep 06, 2007 5:03 pm

It's Alive!!

Image

I had a few anxious hours for a while, but I needed to be more patient, after all the Whitelabs tube was Dated Best Before 17 July :oops:

I guess I'm being a tight git really as the wort didn't cost anything as its 'canned' from the dregs of previous batches, but the Servomyces and yeast nutrient would have been a disappointment.

So 5L starter underway, with continuous aeration and stirring, should have plenty of happy yeasties to pitch on Sunday . . . I just hope I get the chance to crash cool it and let it settle, so that I can pitch fresh cooled wort during the boil, and oxygenate (Yes with real O2!) Its planned for a 1.070 IPA, and according to the MrMalty calculator I should have more than enough yeast.
Last edited by Aleman on Thu Sep 06, 2007 6:13 pm, edited 1 time in total.
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Chappie519

Post by Chappie519 » Thu Sep 06, 2007 6:42 pm

TJB, is that a plate stirer you have there?

If so, how do they actually work, does any part come in contact with the wort?

Cheers
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Aleman
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Post by Aleman » Thu Sep 06, 2007 6:52 pm

Yes its a mag stirrer, Basically there is a motor that drives a shaft with a Neodymium magnet on it. You drop a (Sanitised) teflon coated magnet in the wort. The Flask stands on a plate above the magnet.

Problem is they do tend to heat up. For smaller volumes a Squid stirrer is more affordable and as effective.
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oblivious

Post by oblivious » Thu Sep 06, 2007 7:33 pm

TJB wrote:Yes its a mag stirrer, Basically there is a motor that drives a shaft with a Neodymium magnet on it. You drop a (Sanitised) teflon coated magnet in the wort. The Flask stands on a plate above the magnet.

Problem is they do tend to heat up. For smaller volumes a Squid stirrer is more affordable and as effective.
Has someone being borrowing from the lab? :wink:
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Post by Aleman » Thu Sep 06, 2007 10:41 pm

oblivious wrote:Has someone being borrowing from the lab? :wink:
It is actually faulty and was being thrown out - The RPM indicator doesn't work :whistle:

As for the conical, all mine were purchased new I've got more or less a complete set from 250ml up to that 5L monster . . . although I do have to keep reminding myself that a 10L isn't essential and it wouldn't sit on the stir plate safely :(

I must admit that over the years I have used a variety of containers and methods for yeast propagation, but having the proper gear really makes life simple. Just need to get a Zhan-Nagel (sp? ) tank to really do it properly :), they don't crop up on ebay all that often.
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prodigal2

Post by prodigal2 » Thu Sep 06, 2007 10:55 pm

TJB wrote:
oblivious wrote:Has someone being borrowing from the lab? :wink:
It is actually faulty and was being thrown out - The RPM indicator doesn't work :whistle:
The technical phrase for that is wombling, making good use of the things that you find :lol:
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oblivious

Post by oblivious » Thu Sep 06, 2007 10:58 pm

TJB wrote:It is actually faulty and was being thrown out - The RPM indicator doesn't work :whistle:

I am looking for a faulty one too; you know I might just get lucky :wink:
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prodigal2

Post by prodigal2 » Thu Sep 06, 2007 11:04 pm

oblivious wrote:
TJB wrote:It is actually faulty and was being thrown out - The RPM indicator doesn't work :whistle:

I am looking for a faulty one too; you know I might just get lucky :wink:
Arh the old: well the case capture screws loosened themselves, then the casing fell off and the hot soldering iron accidentaly came into contact with a soldered joint, and the processor chip came unseated and no one can find it :wink: :lol: :lol:
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Aleman
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Post by Aleman » Thu Sep 06, 2007 11:44 pm

It wasn't MY Lab!!
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mysterio

Post by mysterio » Fri Sep 07, 2007 12:18 am

Where did you get your stirrer TJB? I've been on the look out for one of those.

Good luck with the brew, good to see you've put in all the preperation - it will pay off 8)
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subsub

Post by subsub » Fri Sep 07, 2007 2:34 am

oblivious wrote:I am looking for a faulty one too; you know I might just get lucky :wink:
BYO had an article about magnetic stiring a couple of months ago. I haven't go round to building a unit yet as I haven't smoked enough cigars yet (need the box they came in). :D
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oblivious

Post by oblivious » Fri Sep 07, 2007 7:23 am

TJB wrote:It wasn't MY Lab!!
even better, but it was from the lab :D
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Chappie519

Post by Chappie519 » Fri Sep 07, 2007 7:39 am

Problem is they do tend to heat up. For smaller volumes a Squid stirrer is more affordable and as effective.
Whats a squid stirrer? And how small volumes are we talking :D


Article on making a plate stirrer

Has anyone tried this guys design before?

Cheers
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oblivious

Post by oblivious » Fri Sep 07, 2007 7:42 am

Good link, but that graph is in accurate
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Chappie519

Post by Chappie519 » Fri Sep 07, 2007 7:48 am

Hows that oblivious? Are plate stirrers exagerated there?
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