What I was thinking is that the display be a max of 20 and whatever size was chosen they could double their water volume. Either that or max watervolume total (disregarding skimmers/external overflows as long as they aren't crazy) would be 40 gallons.
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Christy's Reef Blog
My 180 Build
Every electronic component is shipped with smoke stored deep inside.... only a real genius can find a way to set it free.
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