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ap714

New member
Joined
Sep 21, 2004
Messages
2
Location
Bayside,NY
Hello and hopefully this finds you Anthony... I was wondering if in a 120 gallon tank 48X24X24 with about 5 inches of sand...leaving 19 inches in the water column will 2 - 175 watt 10 K Ushios and 4 110 watt VHO's be enough to Healthily sustain SPS corals and perhaps a few clams ?
 

Anthony Calfo

Well-known member
Joined
Feb 19, 2004
Messages
1,183
Location
Pennsylvania
you have plenty of watts overall... and a good intensity/watts per lamp avg for the depth of this tank... but its a bit too much blue if you are opting for lamps colder than 10k K. I'd ease up on the blue in the VHOs. Try instead 2 50/50s with 2 actinic blues... or even 2 straight daylights with 2 blues.

But if using 4 straight blue VHOs.... I'd use a warmer MH lamp (6500K). This will insure you have adequate daylight for the popular zooxanthellate species. I worry that the MH just isnt enough daylight if 14-20k K in particular.

This is all speculation without knowing the species you wish to keep. It is the most important thing in fact - picking your specific corals/list before you (can) pick your lights.

food for thought :)

Anthony
 
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