Lighting upgrade question?

TommyB

Large Fish
Apr 14, 2003
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#1
My hood has a 40W bulb. I also have a 29 gallon lamp up there too. That one is 15W.

How can i upgrade to 3-4 watts? That would mean 165-220 watts for the tank.

It seems impossible since most ballasts are 40w rated. That would be 4-5 48" bulbs...


What am i missing?