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Old 06-08-2010, 11:00 AM   #1
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Question about lighting.

My tank is a 55 gallon FOWLR setup. It came with 2 x Coralife 65 watt Power Compact 50/50 bulbs.

I looked up what 50/50 means and it's 50% daylight spectrum and 50% actinic. When I searched online the combo 50/50 units have 1 white bulb and 1 blue bulb.

My lights are both white though. Is it possible for actinic light bulbs to be blue?

Also, is that enough lighting power to have corals & anmemones in a 55 gallon tank?

If not, can you recommend some lights?

Thanks!
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Old 06-08-2010, 11:54 AM   #2
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What is the model name on the bulb? It should be indicated on the hard plastic near the connector.

There are some 50/50 PC bulbs that actually are a mix of the 2 spectrums. Other systems use separate bulbs to accomplish the same thing. Both work, so it's just a matter of figuring out what you got.

As for corals, you might get away with some low light softies, but that's definately not enough light for an anemone.
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Old 06-08-2010, 11:57 AM   #3
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Quote:
Originally Posted by neilanh View Post
What is the model name on the bulb? It should be indicated on the hard plastic near the connector.

There are some 50/50 PC bulbs that actually are a mix of the 2 spectrums. Other systems use separate bulbs to accomplish the same thing. Both work, so it's just a matter of figuring out what you got.

As for corals, you might get away with some low light softies, but that's definately not enough light for an anemone.

I see a G11 on the plastic connector. I assume that is the model number?
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Old 06-08-2010, 12:03 PM   #4
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I have VHO bulbs but I have two 50/50 bulbs and they are white. I have two super actinics also.
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Old 06-08-2010, 12:04 PM   #5
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No, that's not really helpful. See if you can find a 5 digit number or something that reads in K or nm. For instance 10,000K or 460nm.
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