Ah, now i see it.
Not to hijack this old thread, but in a 20gallon long, would it be possible to add a refugium to this setup. i.e. where the skimmer section is, split it up into 2 sections.
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65 gallon reef tank, 20gallon sump
60 lbs of rock, 2-3 inch sand bed
6 small fish, 3 shrimp, various of frags and soft corals.
Current Tank Info: My tank is full of salt water
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