Tropical Fish Keeping - Aquarium fish care and resources

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conger 11-11-2008 09:55 PM

refugium lighting
I'm curious about the best bulbs/lighting for a refugium. Mine in particular only houses cheato macro algae, no live rock, sand, or any inhabitants.

I currently have an 18W light for it (9W 10K and 9W actinic), and the refugium itself is 9" x 12" footprint, 14" water depth. Would I be better off not even using an actinic (replace it with a 2nd 10K), and possibly even using 6.5K or some other type of bulb instead of 10K(s)?

My main goal of course would be to make the best environment possible for the cheato to flourish. Thanks in advance for any advice!

Kellsindell 11-15-2008 02:20 PM

This website would be the best www.lightbulbsdirect.comit'll have the bulbs for the cheato to grow best. it's going to be a 5100k bulb TCP P38 Flood Light. it has it's own reflector and does not need one for you to add to it.

Kellsindell 11-15-2008 02:23 PM

Part # is 1P3816

SKAustin 11-15-2008 04:16 PM

GE makes a 25w 6500k daylight CF bulb (spiral type) That is sold right at wal-mart, Its in a clear blister pack with blue label. One of these and a clamp lamp will work far better than what you have. Plus its far less expensive. It would cost about the same to get the fixture and a 2pack of bulbs as it would to buy 1 9 watt bulb. Plants thrive under the lower spectrum of light.

conger 11-15-2008 05:59 PM

thanks a bunch guys! I'll make the change immediately :-P

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