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That is a small batch 2.43 gallons. I too show a yeast viability at 56% Your starter volume of 300ml seems low. That is more of a proofing volume. My calculator shows 107bil cell growth if you use 1000ml starter (4oz DME) 1.040sg wort using NO stirplate. Stirplate will bump it up to 167bil cells. I wouldn't use a Stirplate in this case. Do a 1000ml ...


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Yes, it roughly lines up using my preferred calculator if I use the stir-plate aeration options (the "C.White" option has 124 bn cells, "Kai" has 95 bn cells). I'll note that the Brewer's Friend calculator does show 56% viability, or about 59 bn cells, not 36 bn. What sort of aeration method are you using for the starter? That has a huge impact on the ...



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