Check out my latest thread..."Check this out" in this forum. THOSE are Iwasaki's on Mercury Vapor ballasts. Iwasaki's are ideal lights for the PAR and spectrum you get. I believe the double ended HQI's are as well. The Iwasaki's are a mercury vapor bulb as well. HTH
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Joanne
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That which does not kill us makes us stronger...like lifting those salt buckets.



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