brewlander wrote:What is wrong with Crystal? is it all of them or just the 40? just not a fan of it in general or is there downsides to the malt
At the 18-20% rate you proposed, the C40 will lend some pronounced caramel flavors. Any caramel notes in an American IPA should be a background note. As a rule of thumb, keep all your crystal additions under 10% in an American IPA.
You'll see a lot of regional variation in the amount of crystal malt used in an IPA. West coast IPAs tend to have minimal (5% maybe) crystal malts; in the midwest, where they generally seem to be allergic to hops (with a few notable exceptions), you'll see more used, and the result is a little more body, less dry finish, and some noticeable caramel flavors, which while they can be tasty, are not as drinkable as the dryer, crisper west coast interpretations. So depending on how your tastes run, adjust your recipe accordingly. Remember, you're drinking this, not us, so brew what you like, not what we say we like