Mash rest steps:
131°F (55°C) 10 minutes.
145°F (63°C) 45 minutes.
158°F (70°C) 20 minutes.
168°F (76°C) 10 minutes mashout.
Mash out at 168°F (76°C), with pre-boil wort volume of 6.5 gallons (25 L). Bring to a rolling boil for 90 minutes, add hops at specified intervals from end of boil. Chill wort to 58°F (14°C) and pitch yeast. Allow temp to rise to 68°F (20°C) after 4 days. Lager for 2 months at 40°F (4°C).