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Finings affect on yeast ?
Posted: Monday Sep 06, 2010 11:38 am
by SuperBroo
Hi Lads (and Laddettes if you are still around Anna)
Is it OK to put a fresh wort onto a yeastcake if it has had finings or polyclar added to the previous brew ?
I love the simplicity of reusing a yeast cake, and the speed that it starts fermenting at, but am not sure what negative affects the finings would have.
Keen to hear peoples thoughts ?
Cheers,
Chris
Re: Finings affect on yeast ?
Posted: Monday Sep 06, 2010 12:58 pm
by rotten
This is a thought only.
My suspicion would be no you couldn't. Although if the temp is brought back to say 18c, I could be wrong!! I had the same query in mind before i started racking but didn't try it. Would be curious to find out for sure as well.
Thanks Grog
Cheers
Re: Finings affect on yeast ?
Posted: Monday Sep 06, 2010 2:07 pm
by drsmurto
Whilst i have not done this I don't see anything wrong with it.
My personal preference would be to scoop out 1 cup of the yeastcake and pitch that into another fermenter. An entire yeastcake is overpitching and whilst, arguably, not as detrimental as underpitching, you only need 1 cup (assuming you aren't making a high OG beer).
The finings shouldn't affect the performance of the yeast.
Re: Finings affect on yeast ?
Posted: Monday Sep 06, 2010 2:20 pm
by SuperBroo
AWESOME - Thanks Doc
Re: Finings affect on yeast ?
Posted: Monday Sep 06, 2010 2:20 pm
by SuperBroo
AWESOME - Thanks Doc
Re: Finings affect on yeast ?
Posted: Monday Sep 06, 2010 7:56 pm
by speedie
Grog
In response to your quire there will be no noticeable effect on the yeast as the sole
Action of finings is to create an electro action in the medium which brings about a clumping affect
The particles in solution are attracted to each other
Once this action takes place there combined weight will cause them to floc or drop from solution
Try this instead of using floc pills etc
You would do better to place your fermenter into a fridge and set the temperature at 1 degree c and hold it there and let nature do its thing
You will see clear beer soon enough
speedie
Re: Finings affect on yeast ?
Posted: Tuesday Sep 07, 2010 10:11 am
by SuperBroo
Thanks Speedie,
Am happy to do that, but sometimes need to speed the clearing up a bit.
I dont clear all my beers, but when I am going to filter, I use finings and polyclar to assist as well as not block the filter too much.
cheers,
Chris