Hey Kelly,
On the new 230 I plan on having 2 400w radiums and 2 250w Iwasaki's, this is on a 6 foot tank. I put them on in combination in my 90g recently and the color is gorgeous.
Brad is right, you can read forever on "Radiums".
cheers
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No matter what the morrow brings, inventors keep inventing things.
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Jonathan
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www.cakerybakery.ca
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