You could always run T5s. Much less heat, and not a expensive as Solaris. When I ran them I had to dial back the fan that blew across the top of my tank or my heater would come on in the middle of the day.
Sick of the MH heat thing really... but they do supply most of the heat for my house in winter.
I might yet go back to T5s, Hmmm... but I'd loose the ripple effect *sigh*