i am hoping to set up a fish only marine tan kit will be 48"x15"x24" i have 2 peices of dead coral rock in a malawi set up at the momement i have 2 peices 1 weighing 4kg other weighing 2kg i was hoping if i got a couple more peices of this maybe 8kg-10kg then abou 5 kg of live rock would this work if at a later stage i get more live rock rock oh ye filteration is fluval 405,rena xp2