Just wanted to let everyone know that I fired up the 3 400 watt 10 000 kelvin MH bulbs I received yesterday from Venki on my new retrofit driven by 3 son agro 430 watt HPS ballasts. The bulbs fired up right away and were extremely white in colour. I guess the important question is how long the bulbs will last being overdriven by the HQI-type ballasts. Man are they ever bright. I'm currently running 6 VHOs over my 280 gallon reef. Can't imagine what it's gonna look like when I get the MH/VHO retrofit installed.
Andy
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