Tom - I used the Blueline 175w 10k and within a month the inner bulb turned black and was very dim. I don't like these bulbs at all.
I bought just 1 400 watt Blueline 10k to try and see how my corals and I like them. I kinda like the color so will have to wait and see how the corals will color up. But boy they almost look like 175 watters compared to the Iwasaki bulb on the other side of the tank.
Tom
Tom - I used the Blueline 175w 10k and within a month the inner bulb turned black and was very dim. I don't like these bulbs at all.
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