Being that my husband brews and is constantly wanting to upgrade, I feel I am becoming the expert on what he will always need or want. With that being said, here are my suggestions for gifts that will never get old.
It's cold outside, and when you ferment, you need your beer to stay a constant temperature. Basements that used to be perfect are now too cold, and if the beer gets to cold, it can stop fermenting (making it boozy). That is a tragedy you can help avoid!
Get it here.
When researching recipes, it is always handy to have places to start from. My husband has several go-to books that he refers to and "combines" several recipes to make his own. There are also great books on getting starting in Home Brewing.
"The Complete Joy of Home Brewing"
"Designing Great Brews: The Ultimate Guide to Brewing Classic Beer Styles"
If they haven't started kegging, we strongly suggest it: kegging goes faster than bottling, it carbonates in a week, instead of month, and its less to clean. When you want to share beer, you can use a bottle filler to fill a few bottles, or take growlers to parties. Cornelius kegs are great gifts because you can buy them used on Craigslist, and order replacement seals and accessories for cheap on any brewing site. A Cornelius keg holds 5 gallons worth of beer, which is exactly what majority of home brewers make (and if they make more, they use several).
There are many alternatives to the usual "Budweiser" signs for the man cave, that are more appealing to the wife, but still have that Beer vibe going that the Beer Lover wants. Last year, I found this poster, and love the look of it.
Get it here.
This is way better than Maxim for the Home Brewer (and probably more exciting). There are great recipes, articles, methods, etc that can be handy and help inspire new brews"Brew Your Own"