On a 5 gallon is a skimmer really worth it considering you can do water changes so easily a 50% wc is like 2 gallons of water and super quick
just my 2 cents
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Current tank---125 gallon mixed reef 60 gallon sump, Reef octopus nw200 skimmer, Rapid LEDs, Maxspec gyre, Mp10s, Fuge, Biweekly 20% WC, QT everything
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