Just used the whirlpool option Ugliestlemming, and got about 45IBUs... You are a star! Ta very much"

Thanks very much ... will investigate the 'no chill' option! :mrgreen:

Hi I add 100-150g of hops at flameout... at that quantity it imparts a lot of bitterness to the beer, but I don't know how to calculate it using the recipe builder... is it the equivalent of that mass being added with 15 or 10 minutes? Sorry to be needy... any help appreciated!

Hi Newbie question from England here... I add all of my hops to the boil at flame out or '0' mins for 30 mins in the wort and then cool with the immersion chiller, which cools the wort to yeast pitching temperature in about 30 mins... My question is using Brewers friend recipie builder what...