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07-11-2011, 01:40 AM
Plant growth metal halides for corals?
This is my first thread ever here so be kind. I'm starting a frag tank and have the construction almost complete. The one problem is the lighting. My partner has an old metal halide and something light (I think high pressure sodium) that he's giving me to use for the frag tank. I've never worked with halides so not sure about them and can't find this answer anyway so I'm asking it here to the smart people of captive reefs. I'm just going to use the metal halide part, which is 400 watts, but don't know if the light that is in there can be used for my corals. Anyone know if a metal halide that is good for growing plants, good for growing corals? In other words, other than watts, are metal halides all mostly the same, for example I can't find actinics for them anywhere, so I'm wondering if they have different kelvins at all and what kind of metal halide is best for the frag tank. That's a lot of info so I'll end it now by saying thanks for any help anyone can provide.
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