I would recommend either MH or LED.
I have 2 ATI hybrids over my 96 x 48 x 30. Like you mentioned, changing 16 bulbs is not fun. Neither is changing ballasts.
I'll be going to LED after these ATI units.
I don't know which brand yet, I'll be looking at Radion, GHL or Kessil.
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Mitch
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