Interesting. Based on my research I knew it changed, not reduced bitterness, but I never knew the science behind. My taste buds liked the result though. It's not my intention to hijack OPs thread so I might search the forum for more info on FWH.
If going all grain, you may want to try first wort hopping. I recently tried it for the first time and liked the results. Though I don't have a fair apples to apples comparison of a batch with/without FWH additions, the IPA I did FWH with had bitterness that sat on the palette in a different...
I tried doing something like this out of the primary on my last IPA and WOW, amazing results!
Original batch was a 5 gallon 1.055 OG IPA using one 11g package of re-hydrated Nottingham. After two weeks in primary, boiled about 3/4 gallon of spring water, cooled to room temp, and dumped it...
So far I'm all manual because I'm fairly new, but I have all kinds of ideas . I want to start with precise temperature control and run thermocouples into a controller that will dump data to a database that runs a trend on my TV upstairs. Then graduate to hot water purge system operated by...