There is a point..... T-5HO releases less heat, takes up less energy, you don't have to replace the bulbs as offten. T-5's IMO are a better deal than MH. MH's cost more to run they can over heat your tank requiring you to have to go out and buy a chiller or atleast run a fan over the tank. I'm not saying MH's are a bad light they are just not what I amlooking for at the time.
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