Who has 3 watts or more per gallon?

29 Gallon: 130 watts, Co2 (some algae but my nerites and shrimp eat it up)

10 Gallon : 54 watts, Co2 (no algae)

I know, it's way too much light, but my plants are growing like nuts!
 
I wonder if I put 2 100w Metal Halides over my tank will it work? Im thinkin the main problem is the heat these bulbs put off. Any other suggestions on this?
 
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