Mercury Vapor will work, but not nearly as efficiently as MH or HPS. MV was used in the old days as an alternative to fluoros. I wouldn't recommend Mercury Vapor HID's.
latewood Reviewed by latewood on . mercury vapor lights? i was just wondering if anybody knows anything about mercury vapor bulbs. if they are suitable for growing or not? and any specs you may have on them? any info would be appreciated. :rasta: Rating: 5