I have a 90 gallon tank with mostly low light plants. My current lighting is a 130 w pc light that I run for 12 hrs. Im getting bored and want to expand my options a bit so I ordered a 108w t5 fixture from aqua traders. will this be to much ligjt to run 12 hrs? I am injecting c02 and will be dosing ei. Should I want to use both fixtures to get a better light spread my pc light cant cover the tank as well ad I would like.