frag tank lighting question

jer77

Phish Lover
My questions are how high should I keep the light above the water since the MH bulb is about 14" above the corals, and the VHO's are a little closer? I am adding a brighter 10000k bulb soon too. Also I'm not too experienced with sps since this is the first time I've tried keeping them so I'm not to sure what to expect. Like I don't know how fast they're supossed to grow. Or how the diseases act. Is it ok to keep xenia, zoos, and star polyps in the tank? I use carbon and test it to make sure its still good. Plus how close can I keep the corals together?

I have a shallow tank which I built myself from lexan. Its only 14" tall, but 36"X28" almost a square. I keep mostly sps frags and small sized sps. I have some xenia, and zoos in there too. the sps are mostly acros like echinata, vermiculata, austera, valida, secale
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