Which bulb to get?

Ok I'm looking into buying one of the 96w quad retrofit kits for my tank. That will put it about 2.5 wpg.

My question is, which bulb is better. The 50/50 (10,000k and actinic blue) or the 6700k?


For a planted tank, you want the 6700k. Actinic won't benefit much and shouldn't be considered when using the watts per gallon rule.
 
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