T5 lighting for new reef?

[Myka]

It's more about the fixtures than the bulbs. Since you already have both then just do it how you like it. I put the white bulbs in the middle and blue bulbs at the front and back to make the best use of the more powerful white bulbs.

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[sdeschutter]

Thanks guys really appreciate the suggestions. I decided to have the the two bulb fixture on for 12 hrs with a white and blue and the four bulb fixture on for about 8 hrs with the other bulbs.