Re: Minimum Amount of Light Watts/Gal Required? How deep was the tank? Most frag tanks, even the large ones aren't very deep. Secondly, your talking about 1-250w MH bulb vs 8 T5 HO bulbs. Most people don't have 8 T5 HO bulbs over their tanks, they have 4-6 bulbs. Also, your right, age of the bulbs can make a huge difference.
BTW - I'm not down the middle of the road, I just utilize both sides depending on how deep the tank is.
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Current Tanks: 220 Gal Reef, 10 Gal FW, 6 Gal FW
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