Quote:
Originally Posted by cezar
60-P is very nice piece of artwork 
But looking at the sand at the last image I can see you have started to have problem w/ algae. How high is your HQI lamp over the tank?
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Thank you for the compliment!
The HQI lamp is on for 6 hours a day, and is approxomately 12" from the tank rim. It may appear as though there is algae on the sand, but I can assure you there is not! I think what you are seeing is shadows and some of the moss (which could use a trim

) The 8000k bulb I'm using has a very green cast to it as well. If you notice in the earlier pics (10000K bulb in use), the sand does not appear to be quite so green.
Cheers!