I recently completed my first batch, which was the DIPA kit from Brewer's Best. It actually turned out much better than I could have imagined, so I was very pleased. My only complaints, and these were confirmed by friends who tried it, was that while it had a bitter taste, it didn't have a distinctively hoppy taste. It also had a pleasant aroma, but the aroma was not long lasting.
The hop profile of the kit was Columbus hops added at 0 min and 45 min of the 60 min boil, and then cascade hops added at the end for aroma.
I want to get a bit creative for my second batch, and try to use this kit again but add in some additional hops.
Based on all of the material I have read, the general rule of thumb is early hops for bittering, middle hops for flavoring, and late hops for aroma.
What I want to try is the following hop profile (I did some analysis on characteristics of hops, and picked some I think could be interesting);
Bittering Hops - Simcoe and Chinook
Flavoring Hops - Warrior and Columbus
Aroma - Cascade
I then want to dry hop with Glacier and Palisade.
My question is, with this many hop additions, do I boil for more than 60 minutes? Is there a right or wrong way to make multiple hop additions during a boil? A set amount of time I should wait between each addition?
Any advice is appreciated.