i have a 55 gallon softy tank fitration:bac-pack2 ,live rock 100pounds, 2 inches araganite, lighting:one 175 metal halide, 2 10,000k standard flourecants,2 actinics,circulation:4 various powerheads,corals:several colts, devilshand,spagetti,toad stools,sevaral others most are daughters of the...