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Re: power compacts, blue and white

I used a reef lighting system with two daylight bulbs and two
actinic blues for a few months.  The  plants seemed fine and
I got beautiful reds, even in plants that had been totally green
in other tanks.

However, after a few months it seemed to me that some of the
reds were turning to brown.  The rotala especially was dying.
I replaced the blues with daylights.  Things got a little greener,
but the plants seemed heathier.

I think the blue tends to stunt and even kill some freshwater


> Hi All,
> I already sent this message, don't know where it went, so here goes again.
> I plan on using a lighting setup I already have, that I used on a reef tank
> ( moved the reef stuff to a smaller tank).
> It's a 4 x 96 watt system.  With 2 6700k, and 2 7100k... Will the blues, the
> 7100k, cause any problems?  Would
>  you swap them out with the 6700k?  I like the look that half and half
> gives, but if it's better or worse for my plants I'd like to know.
> Oh btw, the tank is 120 gal.  42 x 30 (front to back) x 22
> Thanks,
> Todd