Wow didn't know that there are so many common mistake made by reefer...........
Heres another one-
clownfish- false percula instead of crown fish..... appiles to clown trigger as well
Eh is your tank 30 feet No these 3 tang cannot be put together as they are all of the same shape and they will ifght, BTW all of them are aggressive............
Keep aclose watch over your BT and btw BT are ich magnet so once in a while when they are stress, they will get ich.............. By feeding them with frozen food mix with garlic, could reduce the chances