lighting

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hey need help starting a 90 gallon sps tank how much light such i give it is a 400 watt bulb what do you guys think of this:rollface: :rollface: :rollface: :rollface:

 

[Don Berry]

You would be better off with two 400's or 250's. It's best to have one mh every two feet. I would run them about 8 hrs a day.

 

[oneil]

250ws every 24 inches about 8 to 12 inches from water . You might need chiller.