Great thanks Mystic!
I may move up in kettle size at some point but I also wanted to improve my skills a bit first.
Is there an advantage flavor-wise to doing a full boil? Are hops or other particles attaching to something in the wort, and will they not be as flavorful if I just add water at the end?
Also, since I'm going to try to do this with weird restrictions, it seems to me I need some weird math to get around it.
The only way I can hit my target gravity with this seems to be to take a pre-boil specific gravity reading.
Is there a handy formula for figuring out how much I need to boil off, knowing that I will add back about 1.5-2 gallons at the end?