Having joined forum noticed the calculators section from Brewers Friend.
Consistently the GF calculated pre boil efficiency is better than Brewers friend. ie last two brews were:
Pre boil 30 litres AG 1.035 efficiency = 91% via GF 84.47 % via BF
Pre boil 29.5 litres AG 1.033 efficiency = 84% via GF 78.22% via BF
Now BF is more detailed in that you can specify the grains used - and therefore is knows that some of grain used is not going to have the sugar potential as the main grain. So in theory I would expect it to produce a more accurate figure. But if I attempt to compare like for like and just enter all grain as maris otter I get a lower figure 76.4 - where I would have expected higher as it knows some grain is just not going to give as much sugar. So I am confused
Is GF just more optimistic?
How does the BF adjust for different grain?
Consistently the GF calculated pre boil efficiency is better than Brewers friend. ie last two brews were:
Pre boil 30 litres AG 1.035 efficiency = 91% via GF 84.47 % via BF
Pre boil 29.5 litres AG 1.033 efficiency = 84% via GF 78.22% via BF
Now BF is more detailed in that you can specify the grains used - and therefore is knows that some of grain used is not going to have the sugar potential as the main grain. So in theory I would expect it to produce a more accurate figure. But if I attempt to compare like for like and just enter all grain as maris otter I get a lower figure 76.4 - where I would have expected higher as it knows some grain is just not going to give as much sugar. So I am confused
Is GF just more optimistic?
How does the BF adjust for different grain?