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Black light for supplemental lighting for "pop"

If it is 385 to 400nm, yes.
As long as the power rating is high enough like 40w or 75w etc.
Power rating is not the actual power for those led on eBay, Ali or Amazon, the actual power is normally 1/3 of the “power rating”.
 
Like this one looks promising on paper, but I never use it so I am not endorsing it.
 
Like this one looks promising on paper, but I never use it so I am not endorsing it.
Funny that's exactly the one I was looking at or two of the single row ones that are 42W
 
I am really concerned about the actual wattage of these led strips. I may buy one and test it using a KillaWatt meter.
 
I thought I bought a single strip to test but Amazon didn't have it in my orders. Woke up and they were on sale so I bought 2 single strips and I can test the wattage with my ReefKeeper setup and update you.
 
I bought two of the single 42W lights and I held them up last night when the main light was dimming down and I wasn't a fan of the look at that point. I'll have to try when the lights are at full power and see but leaning towards returning them but they do have enough power to make a difference in the look.
 
What does the coral look like under the black light?
 
What does the coral look like under the black light?
Basically the greens pop when it's just the black lights and the rest are just blah.
 
I bought this a while back but I've yet to install it. As interested in how it affects coral health/growth as how it changes their colors.

 
I put the black lights on with main lights on at their normal strength and the blacklights still muted out the tank and made it look like I turned down the contrast or saturation on a photograph so they'll be sent back...
 
@Joe Rice those look nice but couldn't find anything shorter to fit my 20"x20" footprint unfortunately.
 
That is disappointing.
Yes it is. It was definitely powerfully enough to make a difference it was just a bad difference. It took me a while to figure out best way to describe it but the contrast/saturation analogy is dead on just in a negative way...
 
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