A 150 probably will be OK on a 33 with a few fans. That or the T-5s there is some nice tanks with those on them.
I would go with 4 of those though as your atinics don't provide a lot of the right light.
Here is my 40 with 4 T-5s. Not the best picture and only the actinics are on.
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150 Gal system 3'x3' 400W M/H, Bekett skimmer, Dart return,1/4 HP Chiller
180 Gal Drop tank, LED lights, Bubble master 250 skimmer,Hammerhead on a closed loop, Speed wave return.
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