The Planted Tank Forum - View Single Post - Fat Guy's ADA Iwagumi- moving across the country!!
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post #182 of (permalink) Old 12-06-2012, 07:00 AM Thread Starter
Fat Guy
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Join Date: Nov 2003
Location: new york, new york
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Originally Posted by ad3hybrid View Post
Is 15W enough for the plants? I've been aiming that bulb for my Archae 27W replacement bulb.
the bulb I'm using is 18w and for a 5.5gallon I think it's just right. my plants seem to be responding positively. And if you are a believe in wpg rule of thumb, that's about 3.27wpg compared to the former which was 4.9wpg. I think the reduction in intensity also provides a little more room for error. We shall see.
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