Hi
Yes as long as you have Co2 and a good dosing Dosing Regime. Here is a link that will tell you how to does your tank and alot of other good info on planted tanks. This works great and it how i does my planted tank.
http://www.plantedtank.net/forums/water-parameters/21944-_dosing-regimes_.html
Would that amount of light work with timers and daily siestas, w/o creating a lot of algae?
Yes as long as you have Co2 and a good dosing Dosing Regime. Here is a link that will tell you how to does your tank and alot of other good info on planted tanks. This works great and it how i does my planted tank.
http://www.plantedtank.net/forums/water-parameters/21944-_dosing-regimes_.html