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Mercury vapor lights

Anyone know if I can use a mercury vapor light for supplemental lighting for plants outside. Do they have they same characteristics as MH? Thanks,
Nick Z.
 
someone has to know about this.
 
Unfortunately, plants hate them. The spectrum is way off for the plants to use and would result in less-than-good growth. They're cheap, but you get what you pay for when it comes to HID lighting.
 
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