My bulbs get hot, but not as hot as yours sound. I am not overdriving them though and have cooling fans in the canopy pointed at the endcaps. A uvl super actinic will really make your corals pop, I love the way this bulb made my corals really stand out, much better than a PC actinic. How come you didnt run 4 t-5 bulbs?? I think the t12 would barely be noticable with the t5s on.
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Leo
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