PLEASE READ CURRENT Works great! Will update my review if it still works after a few months. I bought 14"-22" for my 10 gallons. If you love photographing your fish, this light will make it so much easier for you! It is very bright and if left on for too many hours a day will cause massive algae growth. 08/18/19: I no longer recommend this lamp. My fish have been surfing glass for a while and I've spent countless dollars on new water tests and products to find out what was wrong and as soon as I switched from that light to a lamp they stopped. This light is too bright for my fish (they are all bottom feeders, if that matters) and has been stressing them out for several months.
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