Ill add my experience as well. I work at an AQ and our reef is lit with 3 AI hydras. I don't like them, but it wasnt my decision to go with them. Well, we spent nearly $2,000 on them, and after less than 2 years, two out of the 3 power supplies failed. I talked to customer support, and told them I am baffled that we are having problems with our two year old, $2,000 lights, and could they please make the situation right. Mind you, At the same time, i had a cheapo $80.00 ebay led fixture that was out lasting and out performing these hydras over my 30 gallon reef on my desk. Well, customer service did nothing, except tell us we had to spend an additional 100.00 on new power supplies. So to conclude, i am unhappy with the hydras, and honestly led's overall. This reef used to have 14k metal halides, and it looked much better than the hydras. In the future, i am going with T5's, which I love. People will argue about energy cost etc if you dont use leds, but end of story is that T5s are cheaper (bulbs dont cost much) and they are reliable. Im glad my work bought these things and not me.....
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