After years of use my refugium bulb has died. There are no markings on it so I don't know what to buy for a replacement. What are we using these days? Just trying to grow chaeto.
Thanks for the info and quick reply but I need to replace a single bulb in a clip on fixture. Should have said that first. I'm thinking a 6500k bulb would do it, maybe 65 watts. Am I correct?
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