Stevedkiwi
Apprentice
- Joined
- Apr 14, 2012
- Messages
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Keen to buy the software but would like to get an answer to the following queries first.
1. The software seems to calculate ABV excluding the .4 0r .5 % added by priming. e.g. an OG of 1.042 and FG of 1.012 results in an ABV of 3.9% whereas I believe it should be around 4.3- 4.4% to take into a/c the fermentation taking place due to priming.
2. The OG and FG estimates do not seem right when using a low fermentability sugar such as mlatodextrine.
I am testing the software against a real brew recently completed with the following recipe
Coopers Australian pale Ale kit 1.7kg
Dextrose .5kg
Light DME .25kg
Maltodextrine .25kg
Kit Yeast
23l batch (Extract)
Since Maltodextrine is not listed as a grain and is in the misc table then it does not contribute to gravity estimation in BS2 so I get OG 1.035 and FG 1.005 (Which seems very low anyway if the OG is 1.035, I would have expected FG around 1.009 or so)
In reality of course maltodextrine will increase both OG and FG by almost the same amount due to its very low fermentability.
Actual gravities measured in the brew were 1.042 OG and 1.012 FG
I tried choosing Lactose from the grains table instead as I guess it has a similar effect to maltodextrine but this gave an even weirder result, lifting OG but decreasing FG !!!
I have attached the recipe
Thanks
Steve D
1. The software seems to calculate ABV excluding the .4 0r .5 % added by priming. e.g. an OG of 1.042 and FG of 1.012 results in an ABV of 3.9% whereas I believe it should be around 4.3- 4.4% to take into a/c the fermentation taking place due to priming.
2. The OG and FG estimates do not seem right when using a low fermentability sugar such as mlatodextrine.
I am testing the software against a real brew recently completed with the following recipe
Coopers Australian pale Ale kit 1.7kg
Dextrose .5kg
Light DME .25kg
Maltodextrine .25kg
Kit Yeast
23l batch (Extract)
Since Maltodextrine is not listed as a grain and is in the misc table then it does not contribute to gravity estimation in BS2 so I get OG 1.035 and FG 1.005 (Which seems very low anyway if the OG is 1.035, I would have expected FG around 1.009 or so)
In reality of course maltodextrine will increase both OG and FG by almost the same amount due to its very low fermentability.
Actual gravities measured in the brew were 1.042 OG and 1.012 FG
I tried choosing Lactose from the grains table instead as I guess it has a similar effect to maltodextrine but this gave an even weirder result, lifting OG but decreasing FG !!!
I have attached the recipe
Thanks
Steve D