Going to be doing a few extract and steeping grain batches to show some friends. Trying to remember how to calculate gravity for extract. I'm using BeerSmith and it doesn't seem like he calculates it correctly.
For volume, my post-boil will be 6.5 gallons and wort into fermentor will be 5.5 gallons. BeerSmith calculates OG by using the into fermentor amount. For example, 1lb of DME has 43 points per pound per gallon. So BS calculated it as 43 points x 1lb DME / 5.5 gallons to get about 1.008. Shouldn't the volume used be post boil (6.5 gallons), since at that point the gravity of the wort won't change? Whether you put all 6.5 gallons into the fermentor or leave 3 gallons in the kettle, that wort will have the same gravity.
Also, I'm using steeping grains which I know adds a little sugar. I'm using 2oz black patent, 6oz chocolate wheat, 8oz carafoam, 8oz C10, 8oz flaked oats and 1lb C60. BS is only giving a total of 2 points for all those grains (and as above, is using 5.5 gallons to calculate it). Using John Palmer's grain list (http://howtobrew.com/book/section-2/wha ... alt-yields), I get a little over 6 points when using 5.5 gallons as BS would use. If I use 6.5 gallons, like I think I should, I get a little over 5 points which is still higher than the 2 BS calculates.
Am I missing something or is BS wrong?
For volume, my post-boil will be 6.5 gallons and wort into fermentor will be 5.5 gallons. BeerSmith calculates OG by using the into fermentor amount. For example, 1lb of DME has 43 points per pound per gallon. So BS calculated it as 43 points x 1lb DME / 5.5 gallons to get about 1.008. Shouldn't the volume used be post boil (6.5 gallons), since at that point the gravity of the wort won't change? Whether you put all 6.5 gallons into the fermentor or leave 3 gallons in the kettle, that wort will have the same gravity.
Also, I'm using steeping grains which I know adds a little sugar. I'm using 2oz black patent, 6oz chocolate wheat, 8oz carafoam, 8oz C10, 8oz flaked oats and 1lb C60. BS is only giving a total of 2 points for all those grains (and as above, is using 5.5 gallons to calculate it). Using John Palmer's grain list (http://howtobrew.com/book/section-2/wha ... alt-yields), I get a little over 6 points when using 5.5 gallons as BS would use. If I use 6.5 gallons, like I think I should, I get a little over 5 points which is still higher than the 2 BS calculates.
Am I missing something or is BS wrong?