170 gallon upgrade and stocking idea's

So here's what I have so far 170 gallon display 70 gallon sump total system volume is 240 gallon tanks binn setup for about 2 years now so has all stabilised filtration is 120 kg of live rock 60 kg of live sand bubble magus c9 and filter socks changed every 3 days lighting 8 red Sea 54w t5 with individual reflectors aquaray 600 blue for night light circulation tmc v2 5500 power pump for return then 4 newave 9.7 powerheads heaters 2 fluval eheat 300w



Upgrades in next couple of weeks

3 Ecotech radion gen 3

2 jebao wp 60 with modified control cable for Neptune apex

Neptune apex controller

Calcium reactor not sure what one yet

120w Chinese built led for frag tank in sump

Bio pellet reactor diy made from fluidised bed filter



LiveStock atm

Breeding pair of common clowns

Regal tang 7 inch

Flame angle 4 inch

bicoloured dottyback

Matted filefish 4 inch

4 greenblue cromis

Sandsifting starfish

Red starfish

A bunch of hermit crabs



Corals

Large toadstool leather size of dinner plate

Buttons polyps

And some mushrooms



Need some ideas for stocking with corals and fish any help will be welcome