I have 3 250W on my 5' tank. 150g and love it. I had 2 but not enough spread. You could see the hole left in the middle and it faded off fast at the ends of the tank. 3 150w may be ok. I am running 2 DE 14k Phoenix and LOVE the color. the 3rd is a SE 15K Plusrite, it's Far more red than the Phoenix fro sure.. more like a 9K maybe?
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Dan Pesonen
Umm, a tank or 5
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