I think it depends on what setup you're after:
High/medium/low light and then the 'tech' side with ferts and co2. Excel is okay, but if you're wanting to go high/medium light then you'll need to explore pressurized co2 and a fert regime due to the size.
there are plenty of posts here about the par levels for those fixtures. So the question back to you is what you're wanting with the tank/plants.
i just set up my 40b with the 24/7 and an old finnex fugeray with co2 and pps pro. I learned the hard way couple years ago that just lights/excel didn't really cut it for most plants besides letting anubias do their thing. there could have been many other factors at play, but i look at planted tanks as a triangle with lights/ferts/co2 and it's a game to balance them all out
High/medium/low light and then the 'tech' side with ferts and co2. Excel is okay, but if you're wanting to go high/medium light then you'll need to explore pressurized co2 and a fert regime due to the size.
there are plenty of posts here about the par levels for those fixtures. So the question back to you is what you're wanting with the tank/plants.
i just set up my 40b with the 24/7 and an old finnex fugeray with co2 and pps pro. I learned the hard way couple years ago that just lights/excel didn't really cut it for most plants besides letting anubias do their thing. there could have been many other factors at play, but i look at planted tanks as a triangle with lights/ferts/co2 and it's a game to balance them all out