I just purchased the 2x96w last week. It has only been running on my system for abour 7 days but so far so good. I love it. The ballast is well made and consists of 2 seperate power cords and 2 seperate switches. I have my actinic light on one timer set to turn on 1 hour before the daylight bulb and go off 1 hour later. I like the look of the lights also. When purchased, they only give the option of 7100k actinic and 6700k white. For an extra 6 dollars (i Think) you can upgrade the white bulb to a 10,000k. It is well worht the upgrade as the color is not as yellow as the 6700k. The Customer service at Marine Depot is top notch as well. When my order arrived, one of the bulbs was broken. After talking with MD by phone, they shipped the new bulb to me NDA at no charge and never even asked for the broken bulb back. Go with the lights, good company, good lights, good deal.