Very nice setup I however will join the others and add my 2c
You can get at LFS betta bulbs that are the easiest thing to start off with just push them in the gravel and wait no fuss no muss.
I also think that a darker gravel will really bring out sky's blue and make it pop.
good luck with him you are on the right path and sounds like you have MTS (multi tank syndrome):grinyes:
You are so right MTS and my boyfriend wants two more ...