Ludwigia, ever thought of supplementing your MH with T5s? That way, you'd get the best of both worlds but also more heat and higher energy consumption.
FastUno, bulb sequence is as follows:
AB-BP-AB-AB-BP-AB-AB-BP
(AB - Aquablue Special; BP - Blue Plus)
Pics were taken with all lights on. Some were slightly underexposed (aperture setting) to avoid washed out pics.