hi there, i have a rena aqualife 600, 620ltr tank with rena xp4 filter, i have taken good advice from an online shop and they have told me what i need to start up a marine aquarium. i am not going to put any corals in or even fish until i have the water conditions perfect, although i already have the tank and filter my shopping list consists of = marine test kit, 2 x 300w rena smart heaters, sand coral substrate, tmc v2 800 skimmer, red sea coral pro salt 2 x newave 3000, a refractometre and ocean rock and live rock, the only thing i need to fit the tank is a t5 lighting system, please help as ive searched and searched ind cant find anything to fit, many thanks, robbie.