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Any thoughts on needing one? What type ? Can I get a small one that can go outside the tank? I have a biocube skimmer in the tank right now but it is an eye sore.
Mushroom and leather frags. With two 8" coral life 50/50 bulbs. And I have a moon light that comes on an hour before lights out and stays on till dawn.
The moon lights do nothing for the corals, they are just there so you can see into the tank at night.
Not sure how much growth you will get with those lights. Have you checked out fish need it;lights; food;Sponge ? They have 4 bulb lights for a very reasonable price.
Do you think 20,000k daylight plus true actinic bluelight is enough for a ten gallon tank? I use the moon light to replicate the lunar cycle for the clown fish but I have heard that some coral respond to a lunar cycle for twilight feeding.