cell counting

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johnluc

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Hi all, does anyone on here use a microscope to count yeast cells? i've just started doing this and have some questions for the experts.
johnluc.
 
At the end of last year start of this year I decided to start using liquid yeasts (culture them up from commercial bottles, actually) and was a bit concerned at how I would know how much yeast to pitch. I discovered that I needed about 150bn cells per brew but I found different/conflicting opions on how to go about measuring that amount of cells.

I then found out that it's actually really hard for HBers to overpitch and it's more of a problem for commercial brewers, so now I just guesstimate how much yeast I need, erring on the side of growing up far more than is needed than too little so I don't underpitch

This obviously doesn't help you, but good luck anyway
 

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