Cold steep the 8 oz of Carafa in 3/4 gallons of boiled and cooled water for 12-24 hours prior to brew day
to get the dark color and a more mild flavor. You can use a boiled paint bag or just make it like coffee and filter the grains out with a strainer on brew day. You’ll get between 1/2 and 3/5 gallons after the grains absorb the water.
On brew day, collect your boil volume and raise temp to 150 degrees - steep 1 lb Caramunich for 30 minutes. Don’t pay attention to the mash pH calculations in this
Add in the LME and DME, get to boiling then follow hop schedule. At 10 minutes left in the boil, add the cold steeped wort to sanitize.
Chill wort to 66 degrees
Top off with bottled Spring water to get you to 5.25-5.5 gallons in fermenter and make sure wort’s agitated.
Pitch Imperial L17 yeast and try to keep temp between 60 and 66 degrees. Yes it’s a Lager yeast but I’ve heard from a lot of resources that this yeast does really well at low to mid 60 degree fermentation temperature.