It is 60.8 with 23L if you put it in as 2 cans rather then 3.4kgs for 1 can. It would be as the IBU does not change if you change the qty in Kgs.btg said:I'm interested in a simple toucan stout but instead of putting 2 cans of Coopers Irish Stout in a 23 litre fermenter, I thought I could get a similar beer if I put 1 can in half the volume - 11.5 litres (I got a Coopers Craft Brew kit with the smaller fermenter for father's day).
However when I put the figures in Ian's spreadsheet I get wildly different IBU levels
2 cans (3.4kg) Coopers Irish Stout in 23 Litres (nothing else) - 30.4 IBU
1 can (1.7 kg) in 11.5 litres - 60.8 IBU
Am I doing something wrong here?
I'm guessing you've overwritten the formula that's in cell c6. It's the number that comes up automatically when you choose the kit can in cell B6. Did you type 3.4 in there yourself?btg said:I'm interested in a simple toucan stout but instead of putting 2 cans of Coopers Irish Stout in a 23 litre fermenter, I thought I could get a similar beer if I put 1 can in half the volume - 11.5 litres (I got a Coopers Craft Brew kit with the smaller fermenter for father's day).
However when I put the figures in Ian's spreadsheet I get wildly different IBU levels
2 cans (3.4kg) Coopers Irish Stout in 23 Litres (nothing else) - 30.4 IBU
1 can (1.7 kg) in 11.5 litres - 60.8 IBU
Am I doing something wrong here?
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