Re: how do i lower the nitrate levels in my tank? Water changes are the easiest way, Do you have any plants in the tank? _________  && &&&&24 GAL Nano Cube with 30 lbs of sand,28 lbs of live rock, 2 clown fish and now 6 mushroom, and still learning. &&PADI diver riding a 93 Blue Goldwing&&Logo by Nautilus |