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washing yeast

Started by newToBrew, March 18, 2013, 09:09:52 AM

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newToBrew

so i'm about to do this for the first time today -and i've been reading the wiki
my question is regarding the santisation of the jars  is it enough to sanitise or do I need to actually sterilise ?

I'll be transfering to secondary today so will have my vinegar and bleach sanitiser - will this do for the jars in step 3 ??

I remember readin a long in depth article on yeast washing bout a year ago and the dude had pics of jars being sterilised in a pot of boiling water -although to be fair he was using these as his end storage not just an intermedite - I have the vials from shane ( cheers dude !) - so thats where it will ultimatley live, i'm just wondering about those jars in step 3

thanks guys !
oh - as an aside - or follow up - any chance of a wiki article on creating a yeast starter ?? - does it merit one ? or is it too simple

- I've been wondering if  I should be freezing some wort  from a batch and use that the next time or if some dried malt extract is ok  ?
( I do have @ a litre of frozen wort - taht and some frozen mashed grain - thinkin of making some beer bread soon ! but could for go taht for a starter !!)

an outline of the procedure would be great

thanks again !!! ( Happy Paddys Day hangover !!!)
coz theres always something new to do

DEMPSEY

Put simply,yeast are a bitch at getting infections so boiling the jars that will come in contact with the yeast is just good practise. If you ever watch a video clip of a lab,every time they plan to touch a yeast sample,they run a naked flame over the instrument to kill any little lurgeebeans that came from the air. :)
Dei miscendarum discipulus
Forgive us our Hangovers as we forgive those who hangover against us

newToBrew

yeah - was thinking the boiling would be the only way really - trying to plan out the time it'll take and was hoping some one would say - I just sanitise - not sterilise !!!

thanks for the quick reply Dempsey - I'd better get cracking so !!

coz theres always something new to do

newToBrew

so I've done step 2 - seems like its taking more than 20 mins - have it in a 2 litre kilner jar - yanks call em mason jars - the ones with the grolsh style clip tops....

.. anyway - I wanna head off soon - am I right in thinking I could leave this until @ 9 o clock tonight and then put it into teh jam jars for teh week - have those sterilised and the lids on

I remember reading before .. and I think this might apply to what I am suggesting - If I leave it now for a few hours - I'll end up with 3 layers - 1 the water/beer mix - 2. the yeast 3. the trub

so come back later - pour off teh top liquid and harvest the middle layer of yeast - dump bottom layer

how does taht sound
and if I do this - should I put my 2 litre jar in top the fridge for the few hours ???

thanks !!
coz theres always something new to do

newToBrew

ok -cool - i'm guessing i dont actually need to care about refrigeration at this pint then ( which is just as well as I cant fit the large jar into the fridge anyway !! )
coz theres always something new to do

rollout

I recently came across this blog : http://woodlandbrew.blogspot.ie/2013/01/yeast-washing-revisited.html

It and another of his experiments suggest that the trub/slurry contains a vast amount of viable yeast. Also, the beer/water mixture on the top layer contains 100 times the bacteria per yeast tan the other layers.

Just something else to keep in mind.

I only saved yeast for the first time last week. I split the trub and have decanted the beer/water off. I'll see what happens.

newToBrew

Ah - bit beyond me at the minute shane - don't even know what slanting is yet !!!
coz theres always something new to do

delzep

What would be classed as long term storage?

newToBrew

Any thoughts on the yeast starter article ? Too simplistic to merit one ?
coz theres always something new to do

newToBrew

so.. I goit back to it a few mins ago - there was 3 layers - i threw off the top one - harvested the 2nd and dunped the trub - got 2 good sized jars in the fridge for the week now - and then I'll use the little tubey things

theres a no-knead bread recipie that I came across recently - dont have the link to hand - I'm thinking i may use one of teh yeast vials ( ah thats the word !)
combined with some frozen wort and the frozen grain to make some "beer bread "  ;D
coz theres always something new to do

newToBrew

so.. me being me - the bloody jars are still in the fridge (since last post (March 18th - so @ 2 weeks ? )
Am I still ok to put these into those tube things and use it ?
Or would it be damaged - infected ?

there is the yeast at the bottom and the beer liquid on the top
coz theres always something new to do

Ciderhead

washed yeast 3-4 weeks no probs

newToBrew

cool ! was worried there - thought I should dump it and wait till the next batch  - nice one !!
coz theres always something new to do