If u want to use what you have, 250w mh 10-14k 5-6hrs per day, plus 2 of the T5 actinic 10hrs per day is a proven combo, even on your current tank size. You might need to shade some LPS under rocks. Mogul MH is once yearly $70 bulb change and you can stretch T5 actinic to 8-10months. & you still get the shimmer with explosive growth. Youll need a chiller. For comparison, look at the current tank of the month with is 50g but has 300 watts of mh hqi + 200 watts of radion LED.