Step Mash for head retention.
Do a 5-15 min boil. At 5 mins in check the pH level.
Acidify down to a 4.5 pH level with phosphoric acid and finish the boil.
Chill to 80-90 degrees Fahrenheit, then add your Lactobacillus.
Purge headspace with Co2.
Let sit 12-16 hours and check pH level targeting 3.5.
If possible pull the Lactobacillus out from the kettle before boil.
Boil to hit TG 30-60 min. adding hops in the middle of the boil.
Primary fermentation for 7 days, then add puree on yeast and let ferment out for 2 days.
Cold crash at 32 degrees Fahrenheit.
(Optional Lactose during boil. Recommended 5% of bill.)