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1answer
63 views

Jumbo stir plates?

Now that I've discovered (thanks to jsled and Google) what a stir plate is and why I need to make one, I'm curious to know how far they can be pushed. Being a lazy brewer with a fairly well-equipped ...
1
vote
1answer
403 views

What is the proper way to supplement a yeast starter with oxygen via an aeration stone?

I have two yeast starters going on my two homemade stir plates. The stir bar or the stir plate for one of them is malfunctioning and I can not increase the speed enough to get a vortex going. It is ...
4
votes
2answers
419 views

Why Don't we Shake the Carboy

From chemistry I recall that we were supposed to shake almost everything in order to get the elements to react. With wort, however, we simply dump yeast in and wait 4 weeks before bottling. I would ...
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1answer
273 views

Yeast Starter Vortex Size

I've read online that the size of the vortex in a yeast starter does not matter. Why is this true? When I was experimenting with water yesterday, I created a monster vortex (very cool) and could see ...
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2answers
328 views

Total Volume of Yeast Starter in Regards to Evaporation from Boiling Wort

Today I did my first yeast starter. I purchased the 2000mL flask and DME from northernbrewer, and it came with instructions for doing both 1000mL and 2000mL batches. It suggests 1000mL for 5 gallons ...
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3answers
496 views

Why an erlynmeyer flask?

Why is the erlynmeyer style flask the automatic go to for yeast starters? I know people use other containers besides flasks, and some flasks dont have flat bottoms but is there something special about ...