T5 bulb combo

[Tab28]

Wondering for a 6 bulb combo unit. Is there a minimum number of 14k bulbs or another white to use for coral growth? Not sure if that makes sense but you can not go 5 actinic and one 14k. So it seems there would be a minimum for a mixed reef.

 

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The bulb combination we are using over our WYSIWYG display tank in the store is 4x Blue plus, 1x Aquablue special, and one Purple plus(ATI). This displays LPS and softies very nicely, but it is a little on the blue side.