I had 2 black and white clowns, I tried to add the 2 regular clownfish, they were fighting within 5 mins, had to pull them out before the Black and White kills them

Mixed species or the same? I have seen groups of OCs in tanks in the past.

Well so far it seems everyone is "tolerating" each other, but the Clarkiis are a bit aggressive with the newbies. I put the rbta in the middle of the tank and released the b&w clowns into it, which was fine until the Clarkiis claimed it within minutes....:sad: I thought well I'll just move the other nem for them, nope, the male clarkii is sleeping in it at night....

Apparently the nem didn't care for where I placed it as it has been on the move, off its original rock, over to another one, last night to the side of the tank, this morning on the glass.

I'm going to need to move some of the lr around so once the nem settles, and hopefully come up with something to keep both sets happy.

IMO just don't do it - I wanted to try it myself.

I added 2 clowns with a mated pair (in an anemone) with a second anemone.

I have a 180 - and two anemone's each side of the tank. The new clowns were killed with in a week and these were perc's