« on: March 30, 2010, 08:16:36 AM »
No calculator required IMHO.
G1*V1 = G2*V2
When adding extract, solve for G1. To dilute, solve for V2.
My problem was figuring out how much extract and how much to dilute.
Extract is pretty easy....1 lb. of DME will add about 9 points in 5 gal. One lb. of LME will add about 7 points to 5 gal.