new setup aquarium

it is easy setup i use under gravel filter connected with two power head each 1500liter/hour circulate and i install 2 canster filter each 1000/hour ,I install black back ground from azoo company . my tank is 300liter . i dont use the proten skimmer i not use the sump type ugly filter my system is perfect like thise. the live rock in not natural its kind of fiber glass they sell it with hi expensev price