Brewing processes and methods. How to brew using extract, partial or all-grain. Tips and tricks.
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I just made a coffee stout that I'm very pleased with. However, the body is a bit light, and it doesn't hold its head that well. I noticed that the recipe didn't call for Gypsum. Would that help with the head. Also, next time I brew it I'm thinking of adding either lactose or malto-dextrin. Which would help with head retention and a creamier body?
Gypsum will not aid in head retention, and I don't believe lactose would either. Malto-dextrin will add body, so it may add some head retention. However, my advice would be to add in a little wheat and dextrine (aka carapils) malt to the grist. If you are doing extract brewing, you can simply steep these grains and then add that liquid to the boil. If you are doing all grain, try adding flaked barley to the mash.