Re: The Official Asylum Reef Tank Thread
I don't know the exact formula I believe it has to do with how efficiently they penetrate throughout the water. I'll pull up some info when I get home.
They are more expensive but imagine the cost of replacing bulbs every 6months opposed to being set for 10 years. Plus the lowered electricity bill, and no need for a chiller or blasting AC. These will be on a 14 or 29 gallon tank as well maybe the 50 if I can get my buds to help me move it from 60 miles away.
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