I have a 55gal tank and 6-48" fluorescent tubes for a total of 240watts. They are actually t-8's which are 32watts but are 'brighter' than the standard t-12 40watt. This works out to be equivalent to about 4.4 watts/gallon. Will this be sufficient lighting for most specimens? I like how the tubes run so much cooler than MH as this might be an issue in the summer. Also, how much actinic is to much??? If I ran 3 out of the 6 bulbs with actinic 03's would that be ok? (I like the blueish tint!) ( Or are the MH the only way to go?)