Thats a whole lot of light. look at the charts in the first post here:
PAR vs Distance, T5, T12, PC - New Chart
10 Gallon Low tech, Sand substrate.
Eheim 2211, and Aqueon Quietflow 10.
Finnex Stingray LED, 18" above substrate
Anibus, Narrow leaf Hygro, Christmas moss, and Anacharis.
8 Kubotai Rasboras, and 5 Blue Neocardia shrimp.