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Just incase you didn't read the link I posted (reply 6) this paragraph should be enough for you to go on, also dry hopping should be no longer than 4 days, after this length of time the dry hop process will have achieved its purpose.
Now, you might be thinking to yourself, "So what, I don't add hop polyphenol extract to my beer . . ." Ah, but you probably do. The polyphenol additions in the study were based on typical levels of polyphenols that can be found in high-adjunct lagers (60ââ¬â140 mg/L), and highly-hopped American Northwest craft-brewed ales (160ââ¬â400 mg/L). High BU levels, particularly from large additions of low-alpha hops in the boil, can put a lot of polyphenol in the beer. Dry hopping can result in quite a bit of polyphenol being extracted from the hops into your beer as well if you leave the hops in the keg or fermenter for an extended length of time (>1 week). Polyphenols are haze formers and many West Coast brewers claim that a lack of haze in a West Coast pale ale or IPA means that you didn't have enough hops in the recipe.
Now, you might be thinking to yourself, "So what, I don't add hop polyphenol extract to my beer . . ." Ah, but you probably do. The polyphenol additions in the study were based on typical levels of polyphenols that can be found in high-adjunct lagers (60ââ¬â140 mg/L), and highly-hopped American Northwest craft-brewed ales (160ââ¬â400 mg/L). High BU levels, particularly from large additions of low-alpha hops in the boil, can put a lot of polyphenol in the beer. Dry hopping can result in quite a bit of polyphenol being extracted from the hops into your beer as well if you leave the hops in the keg or fermenter for an extended length of time (>1 week). Polyphenols are haze formers and many West Coast brewers claim that a lack of haze in a West Coast pale ale or IPA means that you didn't have enough hops in the recipe.