You sound like you're in a rush.
You cannot rush a reef tank ecosystem, and everything happens slowly.
The Number 1 attribute you need to foster is patience
In terms of anemones, it's worth keeping in mind that in the wild these animals can easily live longer than 100 years. Looked after, one will outlive you.
Do you really want to rush and possibly kill such an animal due to impatience?
In another month or so add some soft coral and give the tank time to slowly mature.
Maybe you don't realise, but you still have a big battle in front of you when the ugly stag