Has anyone seen the new LED system that is supposed to be able to replace Metal Hallides in power, spectrum, PAR and PUR? I'd like to know how well they work and how their lighting actually looks in the aquarium. I'm preparing to set up a new tank and would consider these if I can get some first hand confirmation that they really do the job. They don't transfer heat into the aquarium and they consume about half the power of MH lamps.
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