Process water is 75% Det H2O, and 25% H2O. Strike with 2.6 gal, target 153F, add 2g gypsum and 11mL (10%) phos to mash. Acidify 5.5 gal sparge water to 5.20 pH. Copper up to 7 gal, add 2g gypsum, 1g CaCl to kettle, boil for 60 minutes. Add Invert #2 in last 5 minutes of boil. Cool to 66F, pitch yeast.