Options will vary, to me its high if you don't know what you are doing, But I know what is going on in my tank and i have a big sump area too.
mike
p.s dont take my opinion as a scarcasm, It's hard to voice an opinion on the net without someone getting offened.
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180 starfire front, LPS, millipora
Doesn't matter how much you have been reading until you take the plunge.
You don't know as much as you think.
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