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Originally Posted by ]\[ /-\ ]\/[
20w normal output maybe bright enough for regular freshwater......but that's nowhere near enough for saltwater
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Well Nam,I asked my in-law for you already and he said that he only sell 175w^ metal HL,and he said that you only need 3w for every gal.So you are using a 10-12 gals tank = 30-36w,he recommen that you buy a power compact 96w that will fit your tank,and it'll be alots cheaper than the MHL.Even with this power compact 96w it will be over kill for your tank,plus he said that with MHL you will have to put it higher above the water cause it's so hot.Hope this help.
