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Originally Posted by MikeP
I'm going to buy some MH bulbs for the 190g reef I'm setting up. My ballasts will run 175 watts and I have two. I know that is not quite enough wattage but I will add more lights when I get things going. Right now I need to know what "k" I should go with. I can choose between 14000k and 20000k, the prices of the bulbs are the same. Which should I order?
Thanks
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I'd go for 14k , personally.. They give off a nice blue/white , as with 20k on some bulbs it's just far too much blue. Having said that, I have found that higher K bulbs obviously produce great colours in your corals... as with 14k it's a nice combo of colour and growth, at least IME