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Just curious. I've read that amongst flourescents, T5 generate the highest intensity and are the most efficient. But, how does it compare to MH in terms of both intensity and efficiency given the same wattage rating?
 

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I'm by no means a lighting expert, but T5's are more efficient than MH's in terms of cost/output. Also, T5's are cheaper to maintain.

MH's are more intense than T5's. MH's more commonly used in reef tanks than planted tanks, but some swear by them in planted tanks.
 
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