I have 300 I'm not using its 96x24x30 its a used acrylic tank has some scratches/crazing. but I would take 400 for it with 125 sump and diy stand. Let me now if your interested.
You don't need dive gear. I'm no expert but I seen that acro all over Fiji it was actually one of the very vary few that was not all brown. And yes I did think about trying to bring a frag home lol (drooler)
Yeah i don't want to add light I would start bleaching my sps on top. Plus it only 6" from the glass to the rock not much room for another light. I like the rock idea tho lol. (nutty)
So was google surfing and any one here have a chilli coral there very colorfull and from what I have read there pretty hardy just need feed. (What doesn't)