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Originally Posted by danny zubot
I have just become aware that PC actinics are available in 420nm and 460 nm. I'm pretty sure that Coralife sells 460nm with their PC fixtures but I much prefer the 420nm. Does anyone know of a store that sells them locally? If so, what brand makes them?
While we are at it, are there any PC bulbs higher than 10K out there?
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To begin the more common 460nm actinics bring out all the colours in zoanthids. It positvely makes mine glow. Having said that Sunpaq makes a twin tube 460 +420 nm lamp. I have one of those, and it also is great. (MOPS sells them)